Philips 40-Watt 4 ft. Linear T12 ALTO Fluorescent Tube Light Bulb Natural Daylight (5000K) (10-pack) 423961 - The Home Depot

Brighten your home or business with these Philips 40-Watt 4 ft. T12 Natural Daylight Linear Fluorescent ALTO Light Bulbs (F40T12/Daylight/5000K). These indoor, bi-pin fluorescent bulbs are designed to fit your everyday, general-purpose lighting needs. They simulate natural full spectrum light, for any room in the house

Highlights

Brightness: 2500 Lumens

Estimated yearly energy cost:

4.82 (Based on 3-hrs/day, 11c/kWh. cost depend on rates and use)

Lasts up to 21.9 years (based on 3 hours/day)

Light appearance: 5000K (Natural Daylight)

Energy used: 40-Watt

Lumens per watt: 62.5

T12 bulb shape, medium bi-pin base

Contains mercury: yes (for more info on cleanup and safe disposal, visit: epa.gov/cfl)

Ideal for indoor general lighting purposes for commercial and residential use