3/4 in. x 1/2 in. x 3/4 in. Plastic PEX Barb Reducing Tee (5-Pack) is simple to install. Poly alloy fittings are the perfect alternative to brass in regions where water quality can negatively affect brass. Barb fittings are a key component of the most economical potable water piping systems. Also capable of integration into hydronic heating systems, tees can be secured into place using copper crimps, stainless steel pinch clamps or stainless steel crimp sleeves. The ApolloPEX system is a comprehensive piping system comprised of brass fittings, poly alloy fittings, manifolds, valves, fasteners, tools and tubing designed for implementation in water delivery systems, simple or complex. Constructed of poly alloy for superior corrosion resistance and durability. Lead free. Most economical piping system available. Compatible with PEX pipe. Meets UPC, IPC and cUPC standard. Can be secured in place using copper crimps, stainless steel pinch clamps or stainless steel crimp sleeves. NSF listed. Barb x barb x barb connection for PEX plumbing systems. Rated to 200°F and 200 psi.