Features: 1) We supply different kinds rubber hoses, such as silicone hoses, EPDM hoses and NBR hoses (NSF-61 and FDA certified) 2) High quality Features ... DuPont & Dow elastomers, neoprene, HNBR, NBR + PVC, natural rubber, SBR, IR, IIR (butyl rubber), CR (neoprene), SBR, AU, ACM, CO, etc. NSF ...