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PVC (polyvinyl chloride) air hose assemblies with PVC covers are used for carrying air, water, and various spray solutions to tools and equipment in industrial, construction, and agricultural hand-spraying applications. The hoses have a PVC tube and a PVC cover that resist many chemicals and provide moderate resistance to oils. These hoses are lightweight and flexible, which minimizes the effort it takes to lift or move the hose. Their PVC cover will not mark surfaces it comes in contact with.
https://www.grainger.com/product/CONTINENTAL-Air-Hose-Assembly-3-8-in-Hose-901GZ9?searchQuery=901GZ9&searchBar=true