Product Description Specifications Tank Capacity: 1.5 gallon; Ports: Five (5) 1/4" NPT;All steel construction, manufactured to SAE J10 and FMVSS 121 standards; Cortec Internally Coated for Corrosion Resistance; Black epoxy finishInstallation InstructionsInstallation InstructionsWarranty Category: Suspension>Air Tanks MPN: 6275RT Product ID: 716706 Proposition 65: Y