Philips 40-Watt 4 ft. T12 ALTO Linear Fluorescent Tube Light Bulb, Natural Daylight 5000K (30-Pack)
Regular price $59.3840W 4 ft. T12 ALTO Daylight Fluorescent Tubes (30-Pack)
These Philips 4 ft. T12 ALTO fluorescent tubes deliver crisp 5000K natural daylight for bright, energizing illumination. Ideal for residential and commercial fixtures, each 40W lamp features long life and reliable performance with a medium bi‑pin G13 base.
Key Features:
- Natural Daylight 5000K: Bright, energizing light ideal for task areas and workspaces
- ALTO Technology: Reduced mercury content for a more environmentally conscious choice
- Long Life: Rated up to 24,000 hours to minimize replacements
- Standard Fit: T12, 48 in. tubes with medium bi‑pin (G13) base for easy compatibility
- Durable Build: Frosted glass construction for even, comfortable light distribution
Specifications Table:
| Specification | Details |
|---|---|
| Pack Size | 30 bulbs |
| Wattage | 40 W |
| Length | 48 in |
| Diameter | 1.5 in (T12) |
| Base Type | Medium Bi‑Pin |
| Base Code | G13 |
| Lighting Technology | Fluorescent |
| Color Temperature | 5000K Daylight |
| Bulb Finish | Frosted |
| Bulb Color | White |
| Material | Glass |
| Brightness (Lumens) | 2500 lm |
| CRI | 85 |
| Average Life | 24,000 hours |
| Dimmable | No |
| Ballast Compatibility | Type A |
| Indoor/Outdoor | Indoor |
| Rated | Damp Rated |
| Max Operating Temperature | 113°F |
| Voltage | 120 V |
| Wattage Equivalence | 40 W |
| Contains Mercury | Yes (ALTO reduced‑mercury) |
Frequently Asked Questions (FAQ):
Q: Are these bulbs dimmable?
A: No. These T12 fluorescent lamps are non‑dimmable.
Q: What type of base do they use?
A: G13 medium bi‑pin base, standard for 4 ft. T12 fixtures.
Q: What fixtures are these compatible with?
A: They are designed for T12 fluorescent fixtures using compatible Type A ballasts.
Q: What is the color temperature and brightness?
A: 5000K daylight appearance with approximately 2500 lumens per bulb.
Q: Are these suitable for damp locations?
A: They are damp‑rated for indoor use.
Crisp Daylight That Elevates Every Workspace
I love the invigorating clarity these 5000K tubes bring to a room—clean, bright, and endlessly functional. Their frosted glass softens the light just enough, creating a polished, uniform wash across countertops and studio benches. Line them in a sleek shop light or a minimalist ceiling troffer to transform garages and craft rooms into luminous ateliers. This is the quietly luxe utility that makes everyday living feel refined and effortless.
Brighten your space with crisp, reliable daylight—add this 30‑pack to your cart and upgrade every fixture at once.
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