



Philips 40-Watt 16 in. Circline T9 Fluorescent Tube Light Bulb, Cool White 4100K (1-Bulb)
Philips 40W 16" T9 Circline Cool White Fluorescent Bulb
This Philips 40W, 16-inch T9 circline fluorescent tube delivers bright 4100K cool white light for garages, workshops, kitchens, and offices. With 2,500 lumens and a long 12,000-hour life, it fits fixtures using a 4-pin G10q base for reliable, efficient lighting.
Key Features:
- Bright Output: 2,500 lumens of cool white (4100K) light for clear visibility in workspaces
- Long Life: Up to 12,000 hours (about 11 years at 3 hours/day) to reduce replacements
- T9 Circline Design: 16-inch circular tube with frosted glass for even, diffused illumination
- Compatible Base: 4-pin G10Q base for use with compatible fluorescent fixtures
- Reliable Performance: Non-dimmable fluorescent technology; suitable for indoor, damp-rated locations
Specifications Table:
| Specification | Details |
|---|---|
| Wattage | 40 W |
| Bulb Shape | Circline |
| Bulb Shape Code | T9 |
| Diameter | 1.125 in |
| Length / Outer Diameter | 16 in |
| Base | 4-Pin G10Q |
| Lighting Technology | Fluorescent |
| Color Temperature | Cool White 4100K (listed as 4000K on spec sheet) |
| Brightness | 2500 Lumens |
| CRI | 85 |
| Average Life | 12,000 hours |
| Dimmable | No |
| Indoor/Outdoor | Indoor; Damp Rated |
| Max Operating Temperature | 113°F |
| Number of Bulbs Included | 1 |
| Lumens per Watt | 62.5 |
| Ballast Compatibility | Type A |
| Control Type | Switch |
| Bulb Finish | Frosted |
| Bulb Material | Glass |
| Contains Mercury | Yes |
| Voltage | 120 V |
| Wattage Equivalence | 40 W |
| Model Identifier | FC16T9/Cool White Plus |
Frequently Asked Questions (FAQ):
Q: What fixtures will this bulb fit?
A: It fits fixtures that accept a 16-inch T9 circline fluorescent tube with a 4‑pin G10Q base.
Q: Is this bulb dimmable?
A: No, it is non-dimmable.
Q: How bright is the bulb?
A: It produces 2,500 lumens at a cool white 4100K color temperature.
Q: How long does it last?
A: Rated life is up to 12,000 hours, or about 11 years at 3 hours of use per day.
Q: Where can I use it?
A: For indoor residential or commercial use; damp rated for areas like garages, workshops, basements, and kitchens.
Crisp, Circular Clarity for Everyday Spaces
This sleek T9 ring casts a cool white glow that sharpens detail and brightens utility zones with effortless polish. The circular silhouette delivers smooth, even light—perfect for a tidy garage wall or streamlined laundry nook. Pair it with minimal fixtures and clean surfaces to keep the look airy and functional. A simple essential that elevates daily tasks into a more refined, luminous routine.
Choose this Philips 40W T9 circline bulb for bright, even 4100K light that lasts—upgrade your fixture today.
Original: $14.83
-70%$14.83
$4.45Product Information
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Description
Philips 40W 16" T9 Circline Cool White Fluorescent Bulb
This Philips 40W, 16-inch T9 circline fluorescent tube delivers bright 4100K cool white light for garages, workshops, kitchens, and offices. With 2,500 lumens and a long 12,000-hour life, it fits fixtures using a 4-pin G10q base for reliable, efficient lighting.
Key Features:
- Bright Output: 2,500 lumens of cool white (4100K) light for clear visibility in workspaces
- Long Life: Up to 12,000 hours (about 11 years at 3 hours/day) to reduce replacements
- T9 Circline Design: 16-inch circular tube with frosted glass for even, diffused illumination
- Compatible Base: 4-pin G10Q base for use with compatible fluorescent fixtures
- Reliable Performance: Non-dimmable fluorescent technology; suitable for indoor, damp-rated locations
Specifications Table:
| Specification | Details |
|---|---|
| Wattage | 40 W |
| Bulb Shape | Circline |
| Bulb Shape Code | T9 |
| Diameter | 1.125 in |
| Length / Outer Diameter | 16 in |
| Base | 4-Pin G10Q |
| Lighting Technology | Fluorescent |
| Color Temperature | Cool White 4100K (listed as 4000K on spec sheet) |
| Brightness | 2500 Lumens |
| CRI | 85 |
| Average Life | 12,000 hours |
| Dimmable | No |
| Indoor/Outdoor | Indoor; Damp Rated |
| Max Operating Temperature | 113°F |
| Number of Bulbs Included | 1 |
| Lumens per Watt | 62.5 |
| Ballast Compatibility | Type A |
| Control Type | Switch |
| Bulb Finish | Frosted |
| Bulb Material | Glass |
| Contains Mercury | Yes |
| Voltage | 120 V |
| Wattage Equivalence | 40 W |
| Model Identifier | FC16T9/Cool White Plus |
Frequently Asked Questions (FAQ):
Q: What fixtures will this bulb fit?
A: It fits fixtures that accept a 16-inch T9 circline fluorescent tube with a 4‑pin G10Q base.
Q: Is this bulb dimmable?
A: No, it is non-dimmable.
Q: How bright is the bulb?
A: It produces 2,500 lumens at a cool white 4100K color temperature.
Q: How long does it last?
A: Rated life is up to 12,000 hours, or about 11 years at 3 hours of use per day.
Q: Where can I use it?
A: For indoor residential or commercial use; damp rated for areas like garages, workshops, basements, and kitchens.
Crisp, Circular Clarity for Everyday Spaces
This sleek T9 ring casts a cool white glow that sharpens detail and brightens utility zones with effortless polish. The circular silhouette delivers smooth, even light—perfect for a tidy garage wall or streamlined laundry nook. Pair it with minimal fixtures and clean surfaces to keep the look airy and functional. A simple essential that elevates daily tasks into a more refined, luminous routine.
Choose this Philips 40W T9 circline bulb for bright, even 4100K light that lasts—upgrade your fixture today.






















