Fixed PEX-Cu Size Article 12-Cu 12 Grd-HHJ1212 12-Cu 14 Grd-HHJ1214 16-Cu 12 Grd-HHJ1612 16-Cu 14 Grd-HHJ1614 16-Cu 15 Grd-HHJ1615 16-Cu 16 Grd-HHJ1616 20-Cu 15 Grd-HHJ2015 20-Cu 16 Grd-HHJ2016 20-Cu 18 Grd-HHJ2018 25-Cu 18 Grd-HHJ2518 25-Cu 22 Grd-HHJ2522