Harsco 100% Recycled Swimming Pool Filter Media Glass – 40 lbs. Bag

“Filter glass is made from 100% recycled materials while cutting down on backwash time while minimizing the loss of pool water and chemicals. Filter glass will last 3 times longer than sand while being environmentally friendly. You will use 20% less media (by weight) and it will act as a stronger filter. Filter Glass improved water clarity by 25% over sand while filtering particles down to 5 microns compared to sand which can only filter particles as small as 30 microns. Can be used with or without a pea gravel base; refer to your filter manufacturer’s recommendations on media installation” Made from 100% recycled materials Lasts 3 times longer than sand Requires 20% less than sand Filters particles as small as 5 microns