... ,80,90 Approved:NSF,FDA,WRAS,KTW,W270,UL, silicone bathroom filter screen gasket DescriptionMaterial: SiliconeHardness:Shore40,50,60,70,80,90Color ... *34*34 cmNot-standard packing: follow customers' requirement silicone bathroom filter screen gasket with high quality approved NSF61,WRAS,UL,FDA,ACS ...