Cast iron pipe connectors 1.Material: Copper/aluminum/iron 2.Diameter: 20mm,33mm,49mm,etc 3.Factory cost price Cast iron pipe connectors Cast iron pipe connectors:1. ... Material: Copper/aluminum/iron2.Diameter: 20mm,33mm,49mm,etc3.Factory cost price 1. Product Detail Name Cast iron pipe connectors ModelZY-AJBrandZHIYONGMaterialCopper,aluminum,iron ...