OR 7,50 x 2,50 EPDM70-EWRC72O-ring, crni, Peroxide cured, FDA 21. CFR 177.2600, KTW, DVGW W270, UBAAlwin Höfert201-101085
OR 63,00 x 3,50 FPM80-VR1O-ring, crni, Bisphenol cured, BAM, DVGW DIN EN 549/682Alwin Höfert201-101036