... ,yellow,blue NSF,FDA,WRAS,TZW,W270,UL ItemBathroom Rubber Sealing Gasket DescriptionDescriptionThe rubber fittings are widly used in the bathroom applicance ... commands. Partial meet PAHS,NP requirement.NBR,EPDM,FKM,Silicon rubber etc. are available.Packing Spec.Standard packing: a. plastic bag ... .Not-standard packing: follow customers' requirement the first-order locking toilet rubber gasket seal