Konideke T12 48-Inch 40W Fluorescent Tube – F40T12/841 Cool White, 4100K, 3250 lm, G13 Bi-Pin, 12 Pack

Bright, reliable lighting can transform a space, from a focused work corner to a welcoming retail floor. The Konideke T12 48-inch fluorescent tube is a 40-watt solution designed for standard T12 fixtures, offering a crisp 4100K cool white glow that helps make details pop without glare. The 12-pack makes it easy to refresh multiple fixtures at once, simplifying bulk replacements for facilities or home workshops.

With a lumen output around 3250, this tube provides steady brightness across desks, shelving, and work surfaces, supporting tasks that demand clarity. The neutral white tone is easy on the eyes for long periods of use, while the 48-inch length and 1.5-inch diameter fit a wide range of legacy fixtures. While not a self-contained guarantee of results, many spaces appreciate the balance of brightness and efficiency offered by this 40W tube in typical commercial and residential settings.

Key specifications at a glance

• Length: 48 inches; Wattage: 40W; Diameter: 1.5 inches
• Base: G13 bi-pin; Compatible with standard T12 fixtures
• Light output: ~3250 lumens; Color temperature: 4100K Cool White
• Lifecycle: up to 20,000 hours under typical use
• Pack size: 12 bulbs per carton

Ideal uses and scenarios

• Offices and conference rooms where crisp reading light supports focus
• Garage, basement, and workshop spaces needing clear, even illumination
• Retail environments that benefit from clean, neutral white lighting
• Educational spaces and studios that require dependable task lighting

Installation, compatibility, and care

Designed for quick replacements in 48-inch fixtures, this tube uses a G13 base and operates on standard line voltages from 120V to 277V. For best results, power off the fixture before replacement and handle bulbs with care to avoid fingerprints and scratches.

Durability and energy considerations

• Reliable performance with up to 20,000 hours of life in typical settings
• Efficient 40W draw with the potential to reduce maintenance frequency

If a bulb arrives damaged during shipping, Konideke customer support can assist with a replacement. This description highlights capabilities based on provided data and common usage scenarios; actual results depend on your fixture, environment, and maintenance practices.