... ,UL,KTW,W270,ACS,FDA Itemsilicone shower head gaskets with KTW,ACS, W270 approvalDescriptionSilicone shower head gasketShoreA50,60,70Color:Grey,blackApproved NSF,WRAS ... *34 cm, 1kgNot-standard packing: follow customers' requirement silicone shower head gaskets with KTW,ACS, W270 approval