20 Best 4′ Fluorescent Light Cover [2024]

Are you looking for the best 4' Fluorescent Light Cover? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 4' Fluorescent Light Cover.

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# Preview Product
1 Lithonia Lighting DSB48 48 in. Square Basket Two Bulb Replacement Wraparound Lens, 4', Transparent Lithonia Lighting DSB48 48 in. Square Basket Two Bulb Replacement Wraparound Lens, 4', Transparent
2 Lithonia Lighting 3348 Lighting Two-Light Fluorescent Ceiling Fixture, White,4-feet Lithonia Lighting 3348 Lighting Two-Light Fluorescent Ceiling Fixture, White,4-feet
3 Lithonia Lighting DSB48 Replacement SB Series Diffuser, 48-Inch Lithonia Lighting DSB48 Replacement SB Series Diffuser, 48-Inch
4 Lithonia Lighting SB 432 120 1/4 GESB 4-Foot Wraparound 4-head Narrow Body, T8 Bulb, 120 Volts, 32... Lithonia Lighting SB 432 120 1/4 GESB 4-Foot Wraparound 4-head Narrow Body, T8 Bulb, 120 Volts,...
5 FaithSail 4FT LED Wraparound 40W 4 Foot LED Shop Lights for Garage, 4400lm 4000K Neutral White, Wrap... FaithSail 4FT LED Wraparound 40W 4 Foot LED Shop Lights for Garage, 4400lm 4000K Neutral White,...
6 Lithonia Lighting DLB48 Acrylic Diffuser for 2-Light LB Wraparound Series, 4-Feet Lithonia Lighting DLB48 Acrylic Diffuser for 2-Light LB Wraparound Series, 4-Feet
7 Fluorescent Light Cover 4' x 2' feet (4 Pack; Blue Sky Cloud). Flame-Retardant Fabric, 10 Strong... Fluorescent Light Cover 4' x 2' feet (4 Pack; Blue Sky Cloud). Flame-Retardant Fabric, 10 Strong...
8 AntLux 72W LED Office Lights Ceiling 4FT LED Wraparound Light, 8600 Lumens, 4000K Neutral White, 4... AntLux 72W LED Office Lights Ceiling 4FT LED Wraparound Light, 8600 Lumens, 4000K Neutral White,...
9 FaithSail 4FT LED Wraparound 40W Wrap Light, 4400lm, 4000K Neutral White, 4 Foot LED Shop Lights for... FaithSail 4FT LED Wraparound 40W Wrap Light, 4400lm, 4000K Neutral White, 4 Foot LED Shop Lights...
10 Lithonia Lighting D2LB48 Acrylic Diffuser for LB Wraparound Series, 4-Feet Lithonia Lighting D2LB48 Acrylic Diffuser for LB Wraparound Series, 4-Feet
11 Sunco Lighting 50 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K... Sunco Lighting 50 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K...
12 Sunco Lighting 24 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K... Sunco Lighting 24 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K...
13 JESLED T8 T10 T12 LED 4FT Light Bulbs,24W 3000LM,6000K-6500K Daylight White,4 Foot LED Fluorescent... JESLED T8 T10 T12 LED 4FT Light Bulbs,24W 3000LM,6000K-6500K Daylight White,4 Foot LED...
14 Sunco Lighting 10 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K... Sunco Lighting 10 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K...
15 Sunco Lighting 12 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K... Sunco Lighting 12 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K...
16 Wrought Iron Black & White Grey Marble - 2ft x 4ft Drop Ceiling Fluorescent Decorative Ceiling Light... Wrought Iron Black & White Grey Marble - 2ft x 4ft Drop Ceiling Fluorescent Decorative Ceiling...
17 AntLux 4FT LED Flush Mount Puff Lights, 40W 4500LM, 4000K Neutral White, 48 Inch Linear LED Kitchen... AntLux 4FT LED Flush Mount Puff Lights, 40W 4500LM, 4000K Neutral White, 48 Inch Linear LED...
18 Educational Insights The Original Fluorescent Light Filters: Tranquil Blue 4-Pack, Fluorescent Light... Educational Insights The Original Fluorescent Light Filters: Tranquil Blue 4-Pack, Fluorescent...
19 KastLite Clear Acrylic Prismatic Lighting Panel - Heavy Duty | 22.5' x 46.5' | .125' Thick |... KastLite Clear Acrylic Prismatic Lighting Panel - Heavy Duty | 22.5" x 46.5" | .125" Thick |...
20 Lithonia Lighting FMFL 30840 CAML OA 4-Foot LED Cambridge Linear Flush Mount, 2800 Lumens, 120... Lithonia Lighting FMFL 30840 CAML OA 4-Foot LED Cambridge Linear Flush Mount, 2800 Lumens, 120...
Bestseller No. 1
Lithonia Lighting DSB48 48 in. Square Basket Two Bulb Replacement Wraparound Lens, 4', Transparent
  • The package length of the product is 6.4 centimeters
  • The package width of the product is 23.5 centimeters
  • The package height of the product is 123.8 centimeters
  • The package weight of the product is 1.3 kilograms
  • Snap-on design for tool-free assembly
SaleBestseller No. 2
Lithonia Lighting 3348 Lighting Two-Light Fluorescent Ceiling Fixture, White,4-feet
  • 4', 2 lamp, T8 utility wrap fixture, 120V residential electronic Ballast, white steel housing, clear Acrylic lens, energy star rated, title 24...
  • Adds Extra shine to your product
  • Manufactured in China
  • Diffuser features a continuous-interlocking design for easy installation, lamp access and cleaning
  • Lithonia Lighting 2-light fluorescent white ceiling fixture
Bestseller No. 3
Lithonia Lighting DSB48 Replacement SB Series Diffuser, 48-Inch
  • Durable clear acrylic
  • Wraparound design conceals the bulbs and provides even illumination
  • Snap-on design for tool-free assembly
  • Use with Lithonia Lighting 2-light 4 ft. square profile wrap fixtures (3243, SB240 and SB232)
Bestseller No. 4
Lithonia Lighting SB 432 120 1/4 GESB 4-Foot Wraparound 4-head Narrow Body, T8 Bulb, 120 Volts, 32...
  • Square-basket wraparound fluorescent ceiling fixture for offices, storage rooms, and more
  • Acrylic diffuser with side prisms to control brightness and bottom prisms to reduce lamp images.Maximum Wattage:128 watts.Non Dimmable
  • Instant-on ballast eliminates flickering/humming; won't interfere with other electronic equipment
  • Hinged design for easy maintenance; uses 4 32-watt T8 fluorescent bulbs (not included)
  • Measures approximately 48 inches long by 14 inches wide by 3 inches high. Mounting Type- Surface, Suspended
Bestseller No. 5
FaithSail 4FT LED Wraparound 40W 4 Foot LED Shop Lights for Garage, 4400lm 4000K Neutral White, Wrap...
  • 【MORE ENERGY SAVING】Bright light and uses less energy, which cut your electric bill over 70%. This 4ft led wraparound light provides over 4400lm...
  • 【BETTER DESIGN】Acrylic prismatic lens wraps around the fixture to maximize light output and distribution, and unique design styles will make your...
  • 【EASY INSTALLATION】 Simple to replace your fluorescent light fixture or make a new installation. You also can assemble the lights in line together...
  • 【WIDELY APPLICATION】 The led wrap light can be used in garages, office, shop, workshop, workbench, kitchen, laundry, closet, utility rooms,...
  • 【SAFETY AND SERVICE】 ETL certified for safety and reliability. We also provide 5 YEARS WARRANTY to ensure your 100% satisfaction. Fast replacement...
SaleBestseller No. 6
Lithonia Lighting DLB48 Acrylic Diffuser for 2-Light LB Wraparound Series, 4-Feet
  • Acrylic patterned diffuser distributes light evenly
  • Replacement lens for LB-series
  • Fits 2-light 4-foot wrap
  • Built to last
SaleBestseller No. 7
Fluorescent Light Cover 4' x 2' feet (4 Pack; Blue Sky Cloud). Flame-Retardant Fabric, 10 Strong...
  • Decreasing glare and flickering from fluorescent lights, helpful in reducing the headaches, and eye strain caused by the lights.
  • Decreasing glare and flickering from fluorescent lights, helpful in reducing the headaches, and eye strain caused by the lights.
  • Certified safe, SGS CPAI84 & NFPA 701 certified, the fluorescent light filter diffuser covers made of flame-retardant fabric for safety, flame...
  • Easy installation, the fabric filter panels with 10 pieces 20mm strong rare earth magnets sewn into edges, very easy to attach to fluorescent light...
  • 100% Money Back Guarantee. If for any reason you decide to get a refund, just send a simple email and receive a 100% money-back refund.
SaleBestseller No. 8
AntLux 72W LED Office Lights Ceiling 4FT LED Wraparound Light, 8600 Lumens, 4000K Neutral White, 4...
  • ✔ ENERGY SAVING - Replace less-efficient fluorescent light fixture with a 8600 lumens output at 72 watt 4ft LED Wraparound light. Energy Savings of...
  • ✔ LINKABLE - Knock outs on ends and assemble the lights in line together (up to 20). Easy set up with these 4ft led office light ceiling. Just...
  • ✔ DURABLE - ETL Certified. Made from high quality materials, use constant current driver with high precision and high efficiency. No disturbing...
  • ✔ WIDE APPLICATION - Our led wrap light fixtures are perfect for office, meeting room, garages, basements, workshops, workbenches, utility rooms,...
  • ✔ LONG LIFESPAN AND RELIABLE - This LED Office Lights can last 23 years (6 hrs per day). If you need any support, please email us, our profession...
Bestseller No. 9
FaithSail 4FT LED Wraparound 40W Wrap Light, 4400lm, 4000K Neutral White, 4 Foot LED Shop Lights for...
  • 【MORE ENERGY SAVING】Bright light and uses less energy, which cut your electric bill over 70%. This 4ft led wraparound light provides over 4400lm...
  • 【BETTER DESIGN】Acrylic prismatic lens wraps around the fixture to maximize light output and distribution, and unique design styles will make your...
  • 【EASY INSTALLATION】 Simple to replace your fluorescent light fixture or make a new installation. You also can assemble the lights in line together...
  • 【WIDELY APPLICATION】 The led wrap light can be used in garages, office, shop, workshop, workbench, kitchen, laundry, closet, utility rooms,...
  • 【SAFETY AND SERVICE】 ETL certified for safety and reliability. We also provide 5 YEARS WARRANTY to ensure your 100% satisfaction. Fast replacement...
Bestseller No. 10
Lithonia Lighting D2LB48 Acrylic Diffuser for LB Wraparound Series, 4-Feet
  • Acrylic patterned diffuser distributes light evenly
  • Replacement lens for lb series
  • Fits 4 light 4' wrap
  • Built to last
Bestseller No. 11
Sunco Lighting 50 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K...
  • Top Rated 18W T8 LED Tube Single Sided Ballast Bypass Type B with G13 Base
  • ✅ 2 FOR 1 - Convert to LED for instant energy savings (up to 85%). 1 Sunco LED tube does the job of 2 fluorescent tubes. Our T8 LED tubes provide...
  • ✅ SIMPLE INSTALL - COMMERCIAL GRADE - We test each product for optimal performance and safety. Certifications: UL, DLC, FCC, RoHS. Specifications:...
  • ✅ EASY BYPASS INSTALL – Install with bypass the ballast in 5 minutes or less. Locate the ballast, cut the hot and neutral wires, then cut the...
  • ✅ SUNCO BENEFITS - 5-Year Warranty! Sunco is proudly based in the USA, offering quality products at affordable prices backed by industry-leading...
Bestseller No. 12
Sunco Lighting 24 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K...
  • Top Rated 15W T8 LED Tube Single Sided Ballast Bypass Type B with G13 Base
  • ✅ 2 FOR 1 - Convert to LED for instant energy savings (up to 85%). 1 Sunco LED tube does the job of 2 fluorescent tubes. Our T8 LED tubes provide...
  • ✅ COMMERCIAL GRADE - We test each product for optimal performance and safety. Certifications: UL, DLC, FCC, RoHS. Specifications: Clear Cover,...
  • ✅ EASY BYPASS INSTALL – Install with bypass the ballast in 5 minutes or less. Locate the ballast, cut the hot and neutral wires, then cut the...
  • ✅ SUNCO BENEFITS - 5-Year Warranty! Sunco is proudly based in the USA, offering quality products at affordable prices backed by industry-leading...
Bestseller No. 13
JESLED T8 T10 T12 LED 4FT Light Bulbs,24W 3000LM,6000K-6500K Daylight White,4 Foot LED Fluorescent...
  • 【EASY BALLAST BYPASS INSTALL】 - JESLED 4 ft Type B LED Light Bulb are dual-end powered and require a simple, energy-saving, ballast bypass...
  • 【BRIGHT, ENERGY SAVING】 - JESLED dual row 4ft T8 LED tube can illuminate your space with 3000+ lumens. Instantly economize 63% on your electricity...
  • 【LONG LASTING TUBE】 - JESLED shatterproof 4ft T8 LED tube lights have an outstanding life rating of 50,000+ hours! These 4ft led lights can last...
  • 【FLUORESCENT TUBE REPLACEMENT】 - JESLED T8 4ft LED light tubes are ideal replacements for T8 T10 T12 led fluorescent bulbs. They are compatible...
  • 【HASSLE-FREE WARRANTY】- JESLED offers 24/7 after-sale support, 60 days full refund policy and 3 years hassel-free warranty. Please contact us...
Bestseller No. 14
Sunco Lighting 10 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K...
  • Top Rated T8 LED Tube Single Sided Ballast Bypass Type B with G13 Base
  • ✅ SINGLE ENDED POWER (SEP)- Use with non-shunted tombstones (not included) to convert existing fixtures to LED for instant energy savings (up to...
  • ✅ COMMERCIAL GRADE - We test each product for optimal performance and safety. Certifications: UL, FCC, RoHS. Specifications: Length 4ft (48"),...
  • ✅ EASY INSTALL – Follow our installation guide for a quick and easy setup. Rewire your fixture to disconnect and remove or bypass the existing...
  • ✅ SUNCO BENEFITS - 7-Year Warranty! Sunco is proudly based in the USA, offering quality products at affordable prices backed by industry-leading...
Bestseller No. 15
Sunco Lighting 12 Pack T8 LED 4FT Tube Light Bulbs Ballast Bypass Fluorescent Replacement, 5000K...
  • Top Rated 18W T8 LED Tube Single Sided Ballast Bypass Type B with G13 Base
  • ✅ 2 FOR 1 - Convert to LED for instant energy savings (up to 85%). 1 Sunco LED tube does the job of 2 fluorescent tubes. Our T8 LED tubes provide...
  • ✅ COMMERCIAL GRADE - We test each product for optimal performance and safety. Certifications: UL, DLC, FCC, RoHS. Specifications: Clear Cover,...
  • ✅ EASY BYPASS INSTALL – Install with bypass the ballast in 5 minutes or less. Locate the ballast, cut the hot and neutral wires, then cut the...
  • ✅ SUNCO BENEFITS - 5-Year Warranty! Sunco is proudly based in the USA, offering quality products at affordable prices backed by industry-leading...
Bestseller No. 16
Wrought Iron Black & White Grey Marble - 2ft x 4ft Drop Ceiling Fluorescent Decorative Ceiling Light...
  • Easy to install: Lays on top of current diffuser (not a replacement for your diffuser)
  • These films will effect your lighting, The darker the image, the greater the effect
  • Self-Extinguishing Film
  • Actual color of product may vary slightly from your monitor color.
SaleBestseller No. 17
AntLux 4FT LED Flush Mount Puff Lights, 40W 4500LM, 4000K Neutral White, 48 Inch Linear LED Kitchen...
  • ✔ HIGH PERFORMANCE: High quality of AntLux kitchen ceiling lighting provide 4500 lumen, output at 40 watt, 4000K, energy saving and reduce 75%...
  • ✔ DURABLE: This 4 kitchen light fixture is made by high quality LEDs. Using constant current driver with high precision and high efficiency. Two led...
  • ✔ ELEGANT DESIGN: The 4ft led kitchen light with decorative end caps, frosted cover emit soft and comfortable lighting. No glare, dazzle or spot...
  • ✔ HASSLE-FREE INSTALLATION: Attach fixture to ceiling, connect wire correctly, come withe the user manual and mounting hardware for fast and easy...
  • ✔ LONG LIFESPAN AND RELIABLE - This LED kitchen ceiling light can last 23 years (6 hrs per day). If you need any support, please email us, our...
SaleBestseller No. 18
Educational Insights The Original Fluorescent Light Filters: Tranquil Blue 4-Pack, Fluorescent Light...
  • CREATE A CALM AND PLEASANT ENVIRONMENT: Create a calm and soothing environment by decreasing glare and flickering from overhead fluorescent lights
  • REDUCE HARSH GLARE THAT CAUSES HEADACHES: Light covers for ceiling lights reduce harsh glare and flickering lights that can cause eyestrain,...
  • EASY INSTALLATION: 4 panels fit over standard ceiling fluorescent light fixtures with sturdy, sewn-in magnets, creating a soothing working environment
  • HEAT RESISTANT AND CERTIFIED SAFE: Includes four 2' x 4' heat-resistant Fluorescent Light Filter panels and Certificate of Conformance for flame...
  • FOR OFFICE, HOSPITALS, SCHOOL OR HOME USE: Perfect for any space with ceiling lights & fluorescent lighting like the office, hospitals, classroom,...
Bestseller No. 19
KastLite Clear Acrylic Prismatic Lighting Panel - Heavy Duty | 22.5" x 46.5" | .125" Thick |...
  • VISUAL COMFORT: Non-yellowing and shatter-resistant, KastLite Prismatic Acrylic Lighting Panels offer excellent efficiency and direct glare control...
  • EVEN LIGHT DISPERSION: These panels feature an embossed design that guarantees perfectly-even light dispersion across any large area or room.
  • EASY INSTALLATION: Designed to fit standard ceiling grids - this lightweight, clear plastic construction ensures easy installation and excellent...
  • TOP OF THE RANGE MATERIAL: KastLite heavy duty prismatic panels are .125" thick - a whole 1/4" thicker than the standard panels you'll find at Lowe's,...
  • LEADERS IN LIGHTING & PLASTIC SOLUTIONS: KastLite is a leading brand in Lighting Fixtures and Accessories, manufactured in the United States and...
SaleBestseller No. 20
Lithonia Lighting FMFL 30840 CAML OA 4-Foot LED Cambridge Linear Flush Mount, 2800 Lumens, 120...
  • OPTICS: The matte white acrylic diffuser delivers 3,300 lumens while softening the appearance of the LEDs
  • ENERGY SAVINGS: Provides energy savings by using minimal watts and providing the lumens needed to light the room
  • CONSTRUCTION: Solid wood frame accented with popular crown molding design, available in oak and white finishes with durable, milk-white acrylic,...
  • RATINGS: CSA certified to US and Canadian standards, listed for damp locations, Energy Star Certified
  • VOLTAGE: Operates at 120-Volts, 60Hz

Having trouble finding a great 4' Fluorescent Light Cover?

This problem is well understood by us because we have gone through the entire 4' Fluorescent Light Cover research process ourselves, which is why we have put together a comprehensive list of the best 4' Fluorescent Light Covers available in the market today.

After hours of searching and using all the models on the market, we have found the best 4' Fluorescent Light Cover for 2023. See our ranking below!

How Do You Buy The Best 4' Fluorescent Light Cover?

Do you get stressed out thinking about shopping for a great 4' Fluorescent Light Cover? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 4' Fluorescent Light Cover, which is why we have assembled a comprehensive list of the greatest 4' Fluorescent Light Cover available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 4' Fluorescent Light Cover that you consider buying. Your questions might include the following:

  • Is it worth buying an 4' Fluorescent Light Cover?
  • What benefits are there with buying an 4' Fluorescent Light Cover?
  • What factors deserve consideration when shopping for an effective 4' Fluorescent Light Cover?
  • Why is it crucial to invest in any 4' Fluorescent Light Cover, much less the best one?
  • Which 4' Fluorescent Light Cover are good in the current market?
  • Where can you find information like this about 4' Fluorescent Light Cover?

We’re convinced that you likely have far more questions than just these regarding 4' Fluorescent Light Cover, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 4' Fluorescent Light Cover, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 4' Fluorescent Light Cover. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 4' Fluorescent Light Cover buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 4' Fluorescent Light Cover currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 4' Fluorescent Light Cover has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 4' Fluorescent Light Cover?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 4' Fluorescent Light Cover.
  5. Customer Ratings: Number ratings grade 4' Fluorescent Light Cover objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4' Fluorescent Light Cover.
  7. Product Quality: You don’t always get what you pay for with an 4' Fluorescent Light Cover, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 4' Fluorescent Light Cover is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 4' Fluorescent Light Cover information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 4' Fluorescent Light Cover is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: How do you replace a fluorescent light cover?

A: Loosen and remove the locknut from the end of one of the covers with pliers. Hold the cover with one hand and remove the cap from the end of the other hand. Slide the fluorescent cover of the light outwards under the end cap and it will release.

Q: How do you replace a fluorescent light fixture?

A: Remove ballast cover from new fixture base. Remove center knock-out to allow wires to go through the base. Position the base of the fixture at the desired point on the ceiling. Use the tape measure to ensure that the base is parallel to the wall,and then mark the position of the mounting holes.

Q: How much does a 4 foot fluorescent lamp weigh?

A: Fluorescent Lamps One-off Disposal To help you calculate the recycling charge without having to weigh the lamps, typical weights are: Linear Lamps: 6ft 0.4 kg. 5ft 0.33kg. Secondly, how much does a light ballast weigh? about 3.5 lbs. Considering this, how much does a light bulb weigh? A standard, sixty-watt light bulb weighs about 34 grams. Can I throw away fluorescent ballast? According to EPA Toxic Substances Control Act (TSCA) regulations, the material must be incinerated.

Q: How does 4 tube fluorescent work?

A: The heat is dispersed quicker due to the larger size and it can vary on temperature depending what size they are. Although both incandescent and fluorescent lights use ultraviolet the fluorescent tube puts the excess ultraviolet light to work, whereas an incandescent bulb produces ultraviolet light but does nothing with it.