PVP Perlite Size:Coarse 8 qt. Roof cover: White 6 mil

Roof cover: White 6 mil

and units can even be gravity-fed

while the heat exchanger will resist corrosion from humidity and extend the heater's life

Additionally

Re-pins are UV treated with highly visible red plastic and durable enough for hundreds of uses

PVP Perlite Size:Coarse 8 qt. Roof cover: White 6 milThis sterile, white propagating medium is used to keep soil loose thereby allowing air and water to reach plant's roots. Perfect amendment for propagation and seed cultivation, plug production and transplants, interiorscape and planter growing, composting, hydroponic cultures, turf and lawns and around shrubs, trees, and landscaping. Perlite has been used for many years throughout the world for soil conditioning and as a component of growing mixes