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Philips 4 ft. 40-Watt Equivalent T12 Supreme (4100K) U-Bent Linear Fluorescent Tube Light Bulb, Cool White (12-Pack)

Philips 4 ft. 40-Watt Equivalent T12 Supreme (4100K) U-Bent Linear Fluorescent Tube Light Bulb, Cool White (12-Pack)

Philips T12 U-Bent 4 ft. Fluorescent Tube, Cool White

Philips 4 ft. T12 U-bent fluorescent tubes deliver cool white 4100K light ideal for offices, garages, and basements. Built with a frosted glass finish and medium bi-pin (G13) base, each 40W lamp provides up to 2,300 lumens and long 18,000-hour life.


Key Features:

  • Cool White 4100K Light: Crisp illumination for workspaces and general areas
  • Long Life: Rated up to 18,000 hours to reduce replacements
  • Reliable Output: 2,300 lumens; 57.5 lm/W efficiency
  • U-Bent T12, G13 Base: Fits fixtures requiring medium bi-pin U-bent lamps
  • Non-Dimmable Fluorescent: For indoor use; damp rated

Specifications Table:

Specification Details
Lighting Technology Fluorescent
Bulb Shape Code T12 U-Bent
Bulb Shape Linear
Wattage 40 W
Wattage Equivalence 40 W
Color Temperature 4100K Cool White
Color Rendering Index (CRI) 85
Lumens 2300 lm
Lumens per watt 57.5
Base Type Medium Bi-Pin
Base Code G13
Finish Frosted
Material Glass
Average Life 18,000 hours
Rated Life (3 hrs/day) Up to 16.4 years
Ballast Compatibility Type A
Dimmable No
Indoor/Outdoor Indoor; Damp Rated
Voltage 120 V
Max Operating Temperature 113°F
Product Length 48 in
Product Diameter 1.5 in
Contains Mercury Yes
Brightness Category Cool White Supreme
Number of Bulbs Included 1 (per pack on HD listing)
Estimated Yearly Energy Cost $4.82 (3 hrs/day, 11¢/kWh)

Frequently Asked Questions (FAQ):

Q: What ballast is required?
A: Works with Type A fluorescent ballasts compatible with T12 U-bent lamps.


Q: Is this lamp dimmable?
A: No, it is non-dimmable.


Q: What is the color temperature and CRI?
A: 4100K cool white with an 85 CRI.


Q: How long does it last?
A: Rated life is up to 18,000 hours (about 16.4 years at 3 hours/day).


Q: What base does it use?
A: Medium bi-pin G13 base.


Crisp, Architectural Glow for Everyday Spaces

This U-bent tube washes a room in a refined, cool white that sharpens lines and elevates utility into design. I love the sculptural U-shape—an industrial detail that feels intentional in open ceilings and garages. Pair it with matte finishes and galvanized steel for a tailored workshop or studio vibe. It’s the quiet luxury of perfect, functional light.


Brighten your workspace with long-lasting, cool white performance—add these Philips U-bent tubes to your cart today.

Warranty

$12.85
Philips 4 ft. 40-Watt Equivalent T12 Supreme (4100K) U-Bent Linear Fluorescent Tube Light Bulb, Cool White (12-Pack)
$12.85

Product Information

Shipping & Returns

Description

Philips T12 U-Bent 4 ft. Fluorescent Tube, Cool White

Philips 4 ft. T12 U-bent fluorescent tubes deliver cool white 4100K light ideal for offices, garages, and basements. Built with a frosted glass finish and medium bi-pin (G13) base, each 40W lamp provides up to 2,300 lumens and long 18,000-hour life.


Key Features:

  • Cool White 4100K Light: Crisp illumination for workspaces and general areas
  • Long Life: Rated up to 18,000 hours to reduce replacements
  • Reliable Output: 2,300 lumens; 57.5 lm/W efficiency
  • U-Bent T12, G13 Base: Fits fixtures requiring medium bi-pin U-bent lamps
  • Non-Dimmable Fluorescent: For indoor use; damp rated

Specifications Table:

Specification Details
Lighting Technology Fluorescent
Bulb Shape Code T12 U-Bent
Bulb Shape Linear
Wattage 40 W
Wattage Equivalence 40 W
Color Temperature 4100K Cool White
Color Rendering Index (CRI) 85
Lumens 2300 lm
Lumens per watt 57.5
Base Type Medium Bi-Pin
Base Code G13
Finish Frosted
Material Glass
Average Life 18,000 hours
Rated Life (3 hrs/day) Up to 16.4 years
Ballast Compatibility Type A
Dimmable No
Indoor/Outdoor Indoor; Damp Rated
Voltage 120 V
Max Operating Temperature 113°F
Product Length 48 in
Product Diameter 1.5 in
Contains Mercury Yes
Brightness Category Cool White Supreme
Number of Bulbs Included 1 (per pack on HD listing)
Estimated Yearly Energy Cost $4.82 (3 hrs/day, 11¢/kWh)

Frequently Asked Questions (FAQ):

Q: What ballast is required?
A: Works with Type A fluorescent ballasts compatible with T12 U-bent lamps.


Q: Is this lamp dimmable?
A: No, it is non-dimmable.


Q: What is the color temperature and CRI?
A: 4100K cool white with an 85 CRI.


Q: How long does it last?
A: Rated life is up to 18,000 hours (about 16.4 years at 3 hours/day).


Q: What base does it use?
A: Medium bi-pin G13 base.


Crisp, Architectural Glow for Everyday Spaces

This U-bent tube washes a room in a refined, cool white that sharpens lines and elevates utility into design. I love the sculptural U-shape—an industrial detail that feels intentional in open ceilings and garages. Pair it with matte finishes and galvanized steel for a tailored workshop or studio vibe. It’s the quiet luxury of perfect, functional light.


Brighten your workspace with long-lasting, cool white performance—add these Philips U-bent tubes to your cart today.

Warranty

Philips 4 ft. 40-Watt Equivalent T12 Supreme (4100K) U-Bent Linear Fluorescent Tube Light Bulb, Cool White (12-Pack) | Super Arbor