Lay flat tank cleaning hoses. Construction: Synthetic single jacket fully woven polyester reinforcement and completely encapsulated with a NBR/PVC (nitrile) with lining and cover, made in a single extrusion eliminating risks of separation or blistering. Great Durability: The hose provides high pressure capability together with superior resistance to sea‐water, oils and hydrocarbon fuels, water, acids, and chemicals, ozone. Excellent abrasion, puncture, weathering and ozone/u.v. resistance.