Available in various types for bathroom rubber fittings Features: 1) Available material: silicone, NBR, fluorosilicone, viton (FKM ... neoprene, HNBR, NBR+PVC, natural rubber, SBR, IR, IIR(butyl rubber), CR (neoprene), SBR, AU, ACM, CO, NSF-61 approved material, meet drinking ... are accepted 7) Available in various types for bathroom rubber fittings Packing: 500pcs/bag Bathroom Rubber Parts