AeroGarden Grow Lights (3-Pack) Works with any AeroGarden needing model 100340 or 100629 Grow Lights. Check your Grow Light for model number Proprietary light spectrum provides optimal vegetative growth and flowering Provides all the light plants need for fast healthy growth indoors -- no sunny window needed Includes three Model 100340 Grow Lights We recommend replacing your Grow Lights every 6 months to maximize your garden's growing ability