4 Size Coupler Coupler and Cap

4 Size Coupler and Cap Allows you to interchange 4 sizes of tubes (over 250) without emptying the contents of the bag. Also enables you to use 4 sizes of tubes with one bag, as you could not go from a large tube to a small tube without this coupler. Coupler comes with a cap for storage or transport. Made of high density polyethylene. Made in Korea.