Mother Earth Horticultural #4 Grade Perlite, 4 cu ft Hydroponic Plugs & Caps Dual ports enable you to

Dual ports enable you to duct directly into your grow space or create a closed-loop setup for optimal heating efficiency (ducting not included)

Fluorescent or LED Strip Light fixtures ( 4ft Length ) fit naturally in the plant shelves

the highest efficiency of LM301B

high performance fans

to a maximum of 8 per single power cord

Mother Earth Horticultural #4 Grade Perlite, 4 cu ft Hydroponic Plugs & Caps Dual ports enable you toMother Earth Expanded Horticultural Grade #4 Grade Perlite Mother Earth Perlite is naturally occurring siliceous rock that expands up to 20 times its original volume when heated to 1600 degrees F. This kilning process is very similar to popping popcorn and produces a growing media that is sterile and has a neutral pH of 7. 0. The exceptional physical properties of this perlite make it tops in the perlite world for adding porosity to soil and soilless