The ApolloPEX 1/2 in. Brass PEX Barb x 3/4 in. Garden Hose Thread No-Kink Quarter-Turn Hose Bibb is an easy way to install a new or replacement hose bibb. The valve is designed for potable water and hydronic applications where a shut-off is needed. 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.