... a manufactory we can supply all kinds of rubber hose for you . Detailed Selling Lead DescriptionFeatures:1) ... elastomers, neoprene, HNBR, NBR + PVC, natural rubber, SBR, IR, IIR (butyl rubber), CR (neoprene), SBR, AU, ACM, CO, ... etc. NSF-61 approved material, meets drinking water system requirements ... Available in various sizes and colors rubber hose