Round O-Ring, ID 31mm, WD 5mm, OD 41mm, 240 O-Rings, 240PK X1 Round O-Rings are used to block a path which may otherwise allow a liquid or a gas to escape.
.Round O-Ring, ID 300mm, WD 4mm, OD 308mm, 90 O-Rings, 90PK X1 Round O-Rings are used to block a path which may otherwise allow a liquid or a gas to escape.