... UL,KTW,W270,ACS,FDA Itemsilicone shower head gaskets with KTW,ACS, W270 approvalDescriptionSilicone shower head gasketShoreA50,60,70Color:Grey,blackApproved NSF ... TZW, ACS, FDAMaterialAll raw material meet European REACH, ROHS and PFOS commands. Partial meet PAHS,NP requirement.NBR,EPDM, ... , 1kgNot-standard packing: follow customers' requirement silicone shower head gaskets with KTW,ACS, W270 approval