O-ring 43,00 x 2,50 EPDM70-EWRC72O-ring, black, Peroxide cured, FDA 21. CFR 177.2600, KTW, DVGW W270, UBAAlwin Höfert17-05919
O-ring 226,00 x 4,00 FPM80-VR1O-ring, black, Bisphenol cured, BAM, DVGW DIN EN 549/682Alwin Höfert17-05216