Image Coaxial Fuel Inlet Elbow Coupler Markets Petroleum Cargo Tanks Jump to Section Product Options Related Products Product Options Part Number Coupler Size Material 6000-15C 3" Aluminum 6000-14C 4" Aluminum Related Products Image Coaxial Fuel Inlet Elbow Adapter Image Coaxial Elbow Replacement Vapor Outlet Image Single Point Coaxial Delivery/Vapor Recovery Elbow