The Metabo HPT - Hitachi 371208 J-394 Reduction Valve Set regulates pressure within compatible pneumatic equipment. It helps control the flow of compressed air through the valve system, supporting the pressure management required for proper tool operation. The valve set works with connected components to maintain the intended air supply. Replacing a faulty or damaged valve set can hel... https://www.wholetoolbox.com/metabo-hpt-hitachi-371208-j-394-reduction-valve-set-16gant/371208.html