BUMPER,PLAS,SIZE 4 ( 6 in case)

Details

When placed around a cylinder near the top, this sturdy split ring protects against breakage if the cylinder is upset. Made of yellow low density polyethylene, Position of ring can be adjusted to avoid contact with the top of a receiver when liquid is poured from the cylinder, should a ring become loose after prolonged use, soak it briefly in hot water (90 °C) to return it to its original shape