• SKU: 8590139

• Description: Start with the grow lights you need now, add more as you need them. Each Stack-n-Grow Light unit has two 3' high-output, full-spectrum T5 bulbs that are spaced for optimum light coverage. New reflectors direct 58% more light down onto plants for healthier growth and less glare. Start with the Stack-n-Grow Light System, and then stack Add-On units to multiply your growing space. Add-On units include wall brackets for additional stability. Fast, no-tools assembly Start 72 seedlings in 3-1/2 sq. ft. of space Easiest-ever system for adjusting light height Lightweight - each unit weighs just 7 lbs. Stack up to 4 units Stores compactly in the off-season Important: When stacking units, prevent water from dripping from upper shelves onto the light fixtures below by using our Small Boot Trays (32-709), drip trays or saucers on each shelf. Frame is 100% recycled polypropylene Each shelf holds up to 110 lbs. Each unit is 31" L x 15-1/2" W x 21" H Dimensions between the posts are 28" L and 12 1/4" W Lights are 36" L Reflectors are made with polyethylene film protector, nano aluminum and PET base Add-On units include wall brackets for stability Gardener's Supply Exclusive