Planet Light T5 54-Watt 4-Pack Fluorescent Grow Light Replacement Bulbs (4FT 54W 6500K) for Horticulture Indoor Gardening & Hydroponics, Aquaponics, Plant Seedling, Cloning, Cutting, Germination, Fish Tank and Aquarium 4 Pack of Planet Light 4FT 54W T5 Horticulture Bulbs 20000 Hours Average Life Full spectrum for seedlings, cuttings, cloning, germination Energy saving and cost efficient replacement T5 5000 Lumens, 6500K CCT. Suitable for many sorts of indoor horticulture gardening