... NSF,WRAS,UL,KTW,W270,ACS,FDA Itemsilicone shower head gaskets with KTW,ACS, W270 approvalDescriptionSilicone shower head gasketShoreA50,60, ... UL, TZW, ACS, FDAMaterialAll raw material meet European REACH, ROHS and PFOS commands. Partial meet PAHS,NP requirement.NBR,EPDM,FKM ... 46*34*34 cm, 1kgNot-standard packing: follow customers' requirement silicone shower head gaskets with KTW,ACS, W270 approval