Porpoise Spiral-Wound Pool Filter Hose has single-wall, two-ply construction and a three-year warranty. More durable and reliable than blow-molded pool filter hose, this hose is designed for pump-to-filter and intake-return connections. Perfect for installing new pool equipment or to replace old, brittle pool hoses.This crush-resistant pool filter hose resists damage from pool chemicals and the permanently molded, leak-proof cuffs offer trouble-free seals and easy attachment with band-type hose clamps. Available in several sizes.