Konideke 30 Pack, F40T12/CW Fluorescent Bulbs, 40 Watt, 4100K Cool White, 4ft 48 inches, 2850 Lumens, G13 Medium Bi-Pin Base, Linear T12 Tube Light — Open-Box, 9% Off

40 WATT OUTPUT FOR 4FT 48 INCH FIXTURES: These F40T12/CW bulbs deliver consistent 40W power, producing 2850 lumens at 4100K Cool White. Designed for standard 4ft 48 inches linear fluorescent fixtures in shops, garages, and offices T12 TUBE SIZE WITH 2850 LUMENS PER TUBE: Tube diameter is 1.5 inches, provides 2850 lumens of crisp illumination. Whether you need replacements for ceiling troffers or shop lights, this 30-pack ensures consistent brightness across all fixtures VALUE 30-PACK FOR LARGE INSTALLATIONS: Replace all fluorescent tubes in your warehouse, school, or basement at once. Each bulb is built to F40T12/CW 40 watt specs, making this 30-pack a cost-effective solution for properties with many 4-ft fixtures LONG-LASTING 40W TUBES FOR FREQUENT USE: Rated for 12,000 hours of operation. These T12 tubes consume less energy than older lamps when paired with electronic ballasts EASY INSTALLATION WITH DIRECT FIT FOR 4FT 48 INCH SOCKETS: Works as a direct replacement for F40T12 bulbs in any 4ft 48 inches G13 bi-pin fixture. Simply rotate the tube 90 degrees and pull down. No rewiring needed for most standard T12 ballasts COOL WHITE 4100K COLOR TEMPERATURE: Provides clean, bright, task-ready lighting suitable for work environments, commercial spaces, and areas requiring clear visibility and alertness

40 Watt Engineered for 4ft 48 Inches Fixtures

This 30-pack of F40T12/CW fluorescent bulbs delivers reliable 40 watt performance. Each 48 inches tube produces 2850 lumens at 4100K Cool White, making it the ideal 40W replacement for shop lights, garage strip lights, basement fixtures, and warehouse ceiling banks that require 4ft T12 lamps.

Why choose this 30-pack?

Consistent 4100K Cool White – clean, alert, task-ready lighting

2850 lumens per 40W tube – bright and efficient

4ft 48 inches standard length – fits all T12 G13 bi-pin fixtures

30 bulbs per case – bulk savings for commercial usePackage Includes:

30 x F40T12/CW Fluorescent Tubes (4ft / 48 inches each)

Applications:

Shop lights & garage ceiling fixtures

Basement & storage area lighting

Office ceiling troffers

School classrooms & hallways

Warehouse high-bay strip lights

IMPORTANT Compatibility Check:

These bulbs require G13 bi-pin sockets and operate on ballasts designed for T12 lamps. Not compatible with T8 or T5 fixtures without ballast change. Confirm your existing fixture uses F40T12 lamps before purchasing.