You are Buying a brand New And Factory Sealed Apollo 1/2 in. Brass PEX-B Barb Tee Pro Pack (25 Pack) Model #
APXT1225JR.....  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 lead free dezincification resistant (DZR) brass for superior reliability and strength
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 degree F and 200 psi....