Philips
40W Equivalent 4 ft. Linear T12 Type A Instant Fit Cool White LED Tube Light Bulb (4000K)
Best easy upgrade for efficient workspace lighting.
This Philips LED tube light bulb offers a 40W equivalent output with a cool white light, perfect for general illumination. It's designed as a Type A, Instant Fit solution for T12 fixtures, meaning no ballast modifications are needed for installation. Each bulb has an impressive lifespan of approximately 32.9 years based on 3 hours of daily use, making it an energy-efficient and long-lasting lighting option. This pack includes 10 bulbs, providing a cost-effective solution for multiple fixtures.
$73.98
Owner Satisfaction
4.5
/ 5
Category Rank
318
/ 587
#318 in Diodes
Price vs Category Average
+6%
Above average
Type
LED Tube Light Bulb
/ LED Tube Light Bulb
Who it's for
- Homeowners and businesses seeking hassle-free lighting replacements
- Budget-conscious users and environmentally aware consumers
- Office managers and workshop users needing clear, functional light
Who should skip it
- Users seeking a truly ballast-free, long-term LED solution
- Installers and facility managers with diverse, aging lighting infrastructures
- Shoppers prioritizing the lowest immediate purchase price
Performance breakdown
Installation Simplicity
Instant Fit technology eliminates the need for complex ballast rewiring.
Longevity
Decades of service life significantly reduce the frequency of bulb replacements.
Energy Efficiency
Substantial power savings compared to traditional fluorescent T12 lighting solutions.
Color Consistency
The 4000K temperature provides a crisp, professional glow for workspaces.
Fixture Compatibility
Designed specifically for instant start ballasts, limiting use in other setups.
Value Density
The ten-pack configuration offers an economical upgrade for entire office spaces.
Key Specs
Type
LED Tube Light Bulb
Wattage Equivalent
40W
Length
4 ft.
Color Temperature
4000K (Cool White)
Quantity
10 bulbs per pack
Ballast Compatibility
Compatible with instant start ballast
Lifespan
Approx. 32.9 years (based on 3 hr/day)
Features
- Instant Fit for T12 Fixtures
- No Ballast Modifications Required
- Energy Efficient
- Long Lifespan
- Cool White Light
- Pack of 10
What customers say
Customers consistently praise the effortless installation of these LED tube lights, often highlighting the true instant fit design that requires no ballast bypass or rewiring. This simplicity makes upgrading existing fixtures remarkably convenient. Many also appreciate the significant energy savings and the bright, consistent cool white light (4000K) which enhances visibility in workspaces or utility areas. The long lifespan of the LEDs further contributes to their perceived value, reducing the frequency of replacements. Overall, users find them a reliable and cost effective lighting solution.
Know before you buy
No, these are Type A 'Instant Fit' bulbs designed for a simple plug-and-play installation. As long as your existing T12 fixture has a compatible instant start ballast, you can install them just like a standard fluorescent tube without any rewiring.
These bulbs are specifically engineered for instant start ballasts. Before purchasing, check your existing fixture's ballast label to confirm it is an instant start type; if you have a different type of ballast, these bulbs will not function correctly.
4000K provides a 'cool white' light that is crisp and clean, sitting right between warm yellow and daylight blue. It is an ideal choice for workspaces, garages, or kitchens where you need clear, bright illumination for tasks.
These bulbs are designed specifically for T12 fixtures. While they may physically fit some T8 sockets, they are optimized for the electrical requirements of T12 ballasts, so it is best to use them only in their intended T12 housing.
The 32.9-year estimate is based on an average usage of 3 hours per day. If you keep the lights on for longer periods, such as in a commercial setting or a home office, the total lifespan in years will decrease accordingly, though the total rated hours of performance remain the same.
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