Round O-Ring, ID 41/2in, WD3/32in, OD 411/16in, 2 O-Rings, 2PK 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 31/2in, WD3/16in, OD 37/8in, 120 O-Rings, 120PK X1 Round O-Rings are used to block a path which may otherwise allow a liquid or a gas to escape.