Brand Name: Mueller End 1 Diameter: 4 in. End 1 Type: MPT End 2 Diameter: 2 in. End 2 Type: FPT Finish: Black Material: Malleable Iron Product Type: Hex Bushing Packaging Type: Carton Maximum Pressure: 300 psi Average Lead Content: Lead-Free Push to Connect: No Application: For air, natural gas, oil & steam Compatible Pipe Material: Iron