Round O-Ring, ID 45mm, WD 6mm, OD 57mm, 20 O-Rings, 20PK 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 128mm, WD 5mm, OD 138mm, 48 O-Rings, 48PK X1 Round O-Rings are used to block a path which may otherwise allow a liquid or a gas to escape.