Solvent welds directly onto 1/2 inch CPVC tubing and adapts mechanically to 3/8 inch O.D. Pex tubing or copper tubing. Most often used to adapt from 1/2 inch CPVC tubing risers through floor 3/8 inch O.D. closet and/or lavatory riser tubes. Can also be used with metal risers. Solvent welds directly onto ½ in. CPVC tubing and adapts mechanically to ³/8 in. O.D. Pex tubing or copper tubingIt can also be used with metal risers