These bulbs require regular household AC voltage (120 volts). They have two prongs on each end, which fit into a fluorescent fixture; you press the prongs into the opening, then axially rotate the bulb 90 degrees to make contact and lock them in place.

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(Pack of 2) F8T5/CW 8W T5 12" Cool White 4100k Fluorescent Light Bulb 20,000hr

Q: Do these bulbs last as long as name brands, like GE or Sylvania?

Mine lasted less than 4mo at 14hr/day usage... the original bulb that came with the fixture lasted 3yrs - disappointing - at least it was a double pack so I have another to use while I look for something better

Q: From tip to tip (Cooper prongs) my original bulbs measure 11/7/8, will this 12 inch replacement work or do I only measure the bulb which is 113/8

Yes -- I have it in my hands and it is exactly 11 7/8 tip to tip

Q: Will these bulbs fit my t5? f24t5 or lwl18t5

I would not think so. The 18 and the 24 are most likely to do with the length of the bulb. I ordered for the 12" bulbs. They fit perfect.

Product ID: 238238871

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Details

Brand
Unique Bulbs
Light type
Fluorescent
Special feature
Energy
Wattage
8 watts
Bulb shape size
T5 1/2

⏳12,000 hours lifespan

🌈CRI 85 vibrant clarity

💡8W power efficiency

Frequently Bought Together

Unique Bulbs (Pack of 2 F8T5/CW 8W T5 12" Cool White 4100k Fluorescent Light Bulb 20,000hr

Unique Bulbs (Pack of 2) F13T5/CW 13-Watt T5 Fluorescent Cool White 4100K Super Long Life

Description

💡 Light smarter, last longer — upgrade your workspace glow!

ULTRA EFFICIENT 8 W POWER - Bright illumination with minimal energy drain—save on your electric bill while lighting up your space.
CRISP COOL WHITE 4100 K GLOW - Perfectly balanced light that enhances focus and productivity without harshness.
RELIABLE G 5 MINI BI PIN BASE - Easy installation with a universal base that fits seamlessly into your existing fixtures.
COMPACT 12 T 5 TUBULAR DESIGN - Sleek, space-saving form factor ideal for modern under-cabinet or office lighting setups.
LONG LASTING 12 000 HOUR LIFE - Forget frequent replacements—these bulbs keep your environment glowing for years.

This pack of two F8T5/CW 8W T5 fluorescent tubes delivers a crisp 4100K cool white light with 420 lumens and a high CRI of 85 for vibrant color accuracy. Designed for energy efficiency and longevity, each bulb offers up to 12,000 hours of reliable illumination with a compact 12-inch tubular shape and a convenient G5 mini bi-pin base, making it the perfect upgrade for professional and home environments seeking bright, efficient lighting.

Specifications

Brand	Unique Bulbs
Manufacturer	Unique Bulbs
Product Dimensions	30.48 x 30.48 x 2.54 cm; 91 g
Item model number	F8T5/CW
Part Number	UBF8T5/CW
Number of Items	2
Colour	White
Shape	Tubular(T)
Material	Glass
Included Components	Bulb
Voltage	120 Volts
Specific Uses	Under Cabinet
Special features	Energy Efficient
Power and Plug Description:	Corded Electric
Batteries included?	No
Batteries Required?	No
Type of Bulb	Fluorescent
Cap Type	G5
EU Energy Efficiency Label	52.5 lumens per watt
Luminous Flux	420 Lumen
Wattage	8 watts
Wattage	8 Watts
Incandescent Equivalent	40 Watts
Colour Temperature	4100 Kelvin
Colour Rendering Index (CRI)	85
Average Life	12000 Hours
Item Weight	91 g
Guaranteed software updates until	unknown

Have a Question? See What Others Asked

Do these bulbs last as long as name brands, like GE or Sylvania?

Are these 12 volt?

From tip to tip (Cooper prongs) my original bulbs measure 11/7/8, will this 12 inch replacement work or do I only measure the bulb which is 113/8

Will these bulbs fit my t5? f24t5 or lwl18t5

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