Provide enough light for your hydroponics or houseplants with the fluorescent CFL light bulb. This grows light bulb for indoor plants screws into any standard-size light socket, giving you plenty of flexibility for lighting setups. The 6400K spectrum allows the light bulb to replicate natural sunlight, which encourages plant growth and propagation. The CFL light bulb offers full-spectrum lighting for residential and commercial horticultural pursuits. The grow light bulb provides healthy, energy-efficient indoor lighting to keep your houseplant collection or hydroponics system happy and healthy. Whether you have a large collection of tropical houseplants, a bunch of succulents, or an indoor seed starting station, the CFL fluorescent light bulb will provide enough light for your indoor plants to thrive.