(Pack of 6) F54T5/865/HO 54-Watt T5 High Output Daylight Bulbs 6500K Fluorescent light bulb tube PACK OF 6: Contains 6 F54T5HO 865K Fluorescent light bulbs has a CRI of 85 Bi-Pin (G5) Base F54T5/865K/HO Daylight Color 6500K T5 Tube Fits 4 foot fixture (actual size including prongs 45.5") F54T5/865K/HO 54-watt T5 linear fluorescent tube Lamps are incredibly powerful, environmentally responsible, long life lamps with an ultra-slim profile For residential and commercial applications that require high color quality, an F54 T5 high-output fluorescent bulbs may be what you're looking for High Output applicable for your home office, dinette, kitchen, living room, garage, or any place you need high output fluorescent bulbs