... offering high-quality products at rational price and best service. rubber cover1)Available material::material for Silicone,NBR,Fsil,VITON(FKM ... ) &Dow elastomers,Neoprene,HNBR,Natural rubber,SBR,IR,IIR(butyl rubber), ACM ect.NSF an KTW approved for material ... and specifications are accepted6) Available in various sizes and colors rubber cover