


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.
Product Information
Product Information
Shipping & Returns
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.




















