BT814W4FT40K-42 14 watt, 4' LED T8 Lamp, 4000 cct., frosted, ballast compatible Features: LED linear Tubes, replacement for traditional T8 tubes Compatable with most Instant Start ballast, no UV or RF interference Mercury free Saves 50-80% Energy Can be used with or without a ballast Lifespan 50,000 hours Must be purchased in cartons of 42 lamps Perfect for offices, warehouses, supermarkets, parking garages Product Specifications LENGTH INCHES: 48 BRAND: James Industries COLOR RENDER INDEX: 80 LUMENS: 1750 MANUFACTURERS PART NUMBER: BT814W4FT40K-42 PACKAGE QUANTITY: 42 TYPE: T8 VOLTA: GE120/277 WATTAGE: 14 WEIGHT LBS: .6 COLOR TEMPERATURE: 4000 BALLAST COMPATIBLE: Yes