Size:1/2" - 19mm Net Weight:28G Material:Copper ( Food Grade ) Check Valve:Glass Ball Packing:10PCS/BAG, 200PCS/CTN G/N Weight:6.2/5.6KGS Carton Size:20 x 20 x 13.5CM ---------------------------- Size:1/2" - 22mm Net Weight:36.90G Material:Copper ( Food Grade ) Check Valve:Glass Ball Packing:5PCS/BAG, 300PCS/CTN G/N Weight:11.57/11.07KGS Carton Size:35 x 21 x 20CM ---------------------------- Size:3/4" - 25mm Net Weight:52.47G Material:Copper ( Food Grade ) Check Valve:Glass Ball Packing:5PCS/BAG, 150PCS/CTN G/N Weight:8.37/7.87KGS Carton Size:35 x 21 x 20CM ---------------------------- Size:1" - 32mm Net Weight:87G Material:Copper ( Food Grade ) Check Valve:Glass Ball Packing:5PCS/BAG, 100PCS/CTN G/N Weight:9.2/8.7KGS Carton Size:35 x 21 x 20CM