1-1/2″ dia. Blue uhmw chemical hose the most flexible uhmw hose available. Durable, corrugated cover full suction & discharge hose. Clear ultra high molecular weight polyethylene tube conveys 98% of most common chemicals without leaching or contamination. Clear ultra high molecular weight polyethylene (uhmw) and corrugated epdm cover. Reinforced with textile plies and dual steel helix wires. Check chemical temperature and concentration before use.