Carriff Corp Drain Sleeve 4 in. D X 10 ft. L Polyester Slotted Filter Fabric Sock

Protect perforated drain pipes from sand and sediment clogging with this drain-sleeve 4 inch x 10 feet filter sock. Designed for pipes 3 - 4 inch in diameter, this fabric filter sock creates a water-permeable barrier to keep deposits from building up in drain pipes and reduces the need for gravel backfill. This seamless filter sock slips over pipes quickly and easily and it resists tearing.