710Y-15G Regulators feature compact rear-entry designed to meet the demands of special installation. These regulators are ideal for light and medium duty gas welding, cutting and heating applications. Body is machined from class "A" brass bar stock. Internal safety pressure relief valve. Sintered bronze inlet filter. Stem type seat assembly for more reliable seating. 2" gauge and 1 1/4" diaphragm. Rubber gauge protectors are color codded: red for acetylene (Model No. GP20Y).