O-ring 33,00 x 2,50 EPDM70-EWRC72O-ring, crni, Peroxide cured, FDA 21. CFR 177.2600, KTW, DVGW W270, UBAAlwin Höfert
O-ring 34,00 x 3,00 FPM80 FP801801O-ring, crni, Bisphenol cured, BAM, DVGW DIN EN 549/682Alwin Höfert