Pexflow PSMA1234-NL Male Sweat Adapter X Pex Barb Pipe Fitting 1/2" X 3/4" Brass HIGH QUALITY: Constructed of lead free (DZR) brass for superior reliability and strength EASY TO USE: Fittings works with Crimp Ring or Clamp connection methods PEX Fittings are lightweight, easy to install and maintenance-free Rated to 200F and 200 PSI; No flames, glue, fluxes or solvents needed NSF, UPC and CSA approved and manufactured to ASTM standard F1811