.Square O-Ring (ID:18 mm, CS:2 mm, OD:22 mm), 48PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.
.Square O-Ring (ID:22 mm, CS:3 mm, OD:28 mm), 48PK The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.