Certified Appliance 77300 Gas Dryer/range Connection Kit, 4" * Includes 4" heavy-duty stainless steel connector, 5/8" OD Flare X 1/2" M.i.p. (tapped With 3/8" F.i.p.) adapter, 5/8" OD flare x 3/4" M.i.p. (tapped with 1/2" F.i.p.) adapter, leak test solution and pipe thread sealant * Fits most gas dryers, ranges, water heaters and furnaces * Supplies up to 106,000 Btu/hr * Retail-packaged * Meets or exceeds industry certification standards and appliance manufacturer requirements