Planet Light 54-Watt 4-Pack T5 Fluorescent Grow Light Bulbs (4FT 54W 2700K) for Indoor Horticulture Gardening, Hydroponics, Aquaponics, Seedling, Cutting, Cloning, Germination (2700k) 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, 2700K CCT. Suitable for many sorts of indoor horticulture gardening