... Aluminum Four Way For Regulator,Valve,Hose 1.aluminum material 2.size:10mm,11mm,12mm,13mm 3.T,Y,Four way Specifications: ... 1.material:aluminum2.process way ... .other type:we also have zinc,iron or brass, with zinc or brass plated6.packing: 100pcs/bag,200pcs one ... quality and 100% check before shipping Aluminum Four Way