O-ring fits: URSUS 10014 H, 11024, 3702, 3822, 3824, 4022, 4024, 5044, 5322, 5324, 7014 H, 7524, 8014 H, 9014 H, 9024, 360, 380, 380 M, 6024; ARMATRAC 1104, 854 LUX; BASAK 2080, 2090, 2100, 2110