Philips 40-Watt 4 ft. Linear T12 ALTO Fluorescent Tube Light Bulb, Cool White 4100K (2-Pack)Philips 40W 4 ft T12 ALTO Fluorescent Tube, Cool White (2 Pack) These Philips 4 foot T12 ALTO fluorescent tubes deliver bright 4100K cool white light ideal for garages, workshops, and offices. Each 40W bulb outputs 2,600 lumens and is designed for G13 medium bi pin fixtures, offering up to 20,000 hours of life. Key Features: Bright Cool White: 4100K color temperature for crisp, energizing illumination High Output: 2,600 lumens per bulb at 40 watts

Philips 40W 4-ft T12 ALTO Fluorescent Tube, Cool White (2-Pack)

These Philips 4-foot T12 ALTO fluorescent tubes deliver bright 4100K cool white light ideal for garages, workshops, and offices. Each 40W bulb outputs 2,600 lumens and is designed for G13 medium bi-pin fixtures, offering up to 20,000 hours of life.

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Key Features:

• Bright Cool White: 4100K color temperature for crisp, energizing illumination
• High Output: 2,600 lumens per bulb at 40 watts (approx. 65 lm/W)
• Long Life: Rated up to 20,000 hours to reduce replacements
• ALTO Technology: Reduced mercury content for a more environmentally conscious choice
• Standard Fit: 4 ft. T12 with G13 medium bi-pin base; 2 bulbs included

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Specifications Table:

Specification	Details
Wattage	40 W
Length	48 in
Diameter	1.5 in (T12)
Bulb Shape	Linear
Bulb Shape Code	T12
Base Type	G13 Medium Bi-Pin
Lighting Technology	Fluorescent
Color Temperature	4100K Cool White
Color Rendering Index (CRI)	89
Brightness	2600 lumens
Lumens per Watt	65
Dimmable	No
Average Life	20,000 hours
Rated	Damp Rated
Indoor/Outdoor	Indoor
Number of Bulbs Included	2
Bulb Finish	Frosted
Bulb Material	Glass
Ballast Compatibility	Type A
Max Operating Temperature	113°F
Voltage	120 V
Contains Mercury	Yes (ALTO reduced mercury)
Application	Residential and commercial general lighting

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Frequently Asked Questions (FAQ):

Q: Are these bulbs dimmable?
A: No. These T12 fluorescent tubes are non-dimmable.

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Q: What type of base do they use?
A: G13 medium bi-pin base for T12 linear fluorescent fixtures.

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Q: Can they be used outdoors?
A: They are intended for indoor use and are damp rated; use in protected fixtures only.

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Q: What is the expected lifespan?
A: Up to 20,000 hours, depending on use and operating conditions.

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Q: What ballast do they work with?
A: They are compatible with Type A fluorescent ballasts designed for T12 lamps.

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Crisp Workshop Glow with Classic T12 Simplicity

These cool white tubes sculpt a workspace with a clean, invigorating glow—perfect for garages and studios where clarity matters. The frosted glass diffuses light evenly, eliminating harsh hotspots and shadows. Line them in a vintage shop fixture over a pegboard wall to highlight tools and textures with precision. A timeless essential for purposeful, elevated utility.

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Brighten your workspace with reliable, cool white light—add this Philips 2-pack to your cart today.