The M-8300 Economy Stainless Steel Manifold has been designed for use in place of field-built copper headers to reduce the installers labor and material costs. The 1" supply and return header are constructed of heavy walled 304 stainless steel. The economy manifold is simple and easy to use. Packaged loosely assembled for immediate installation. Includes mounting brackets, (2) MNPT header adapters and (2) header plugs. All Legend manifold accessories can be added to suit the specific job and design requirements.