BRASS CRAFT gas connector is made with durable materials, 100% leak tested construction and superior corrosion resistance delivering greater strength and optimal flexibility. The easy-to-install connector contains a ProCoat coated stainless steel gas connector with fittings producing top performance results. Csa certified and specially designed for indoor or outdoor use and ideal for use with residential and commercial gas appliances not subject to frequent movement that utilize natural, manufactured, mixed, liquefied petroleum gases or lp gas-air mixtures, residential kitchen appliances, infrared or blue-flame “hearth-style” heating units, decorative gas log appliances, pulse combustion furnaces, manufactured housing (permanent residence mobile homes), laundry/utility appliances, forced ait heating units and rooftop HVAC units. Product is certified (assembled connector) and manufactured in accordance with ansi Z21.24, ansi Z21.75, agal contract no. 8204, listed by the new York city board of standards and appeals and by the commonwealth of Massachusetts Division of registration.