More efficient and less costly way to handle many common PVC re-piping problems Available in 1-1/2", 2", 3" and 4" PVC Compatible with all fittings Raised lettering on hub actually helps seal chemical bond Glues over the hub of a fitting on one end and is a 1-1/2" or 2" hub on the other end 2 PVC OVER HUB Replacement Coupling