Our brand BestMembrane conform to ROHS,PAHS,FDA,CE,WRAS,NSF certificate as well. Our brand BestMembrane conform to ROHS,PAHS,FDA,CE,WRAS,NSF certificate as well.and enjoy good reputation for their excellent quality and competitive price.mold:2L 5L 8L 12L 19L 24L 36L 50L 60L 80L 100L 150L 200L 300L 500L 750L 1000L 1500L 2000L 3000L 5000L.Material:EPDM ButylOperation pressure :10bar --16barMIN/MAX. ...