3/4x1/2 Plastic Insert Coupling

3/4" x 1/2" Reducing Poly Insert Coupling, Poly x Poly. Poly insert fittings are connected to PE Polyethylene pipe withstainless steel clamps. For use with COLD water only. Do not use with compressed air or gases. Do not use in a dwelling. ASTM D-2609 Listed. NSF 14 and 16 Listed for potable water services. Fitting modifications voids warranty.