Quick Overview The Standard In The Industry, Autometers Mechanical Boost/Vac Gauges Have Found Their Way Into More Builds Than Any Other. Using A Patented, High Precision Bourdon Tube Meter Movement, There Isnt Another Gauge On The Market That Can Lay Claim To The Levels Of Accuracy Or Durability You" Ll Find Here. A Simple 1/8" Npt Pressure Connection Requires No Electrical Hookup For Operation. Appropriate 1/8" Npt Fittings And Line Kits Are Available Separately. Features front sealed bezel design for added water resistance and UV protected paint on dial pointer for added protection against sun damage Requires AutoMeter 3223 nylon tubing kit (10 ft.) to connect from gauge to pressure source (sold separately) - Marine parts distributors may also offer their own tubing solutions Gauge kit includes bulb and socket assembly, red and green bulb covers, corrosion resistant mounting hardware, and detailed instructions for installation 12 month limited warranty Traditional incandescent lighting illuminates around the perimeter of the dial Attributes: GTIN: 00046074161865 Brand Name: AutoMeter Add-On: 3224;3223;3226;3288;3284 Extended Information: Country of Origin: United States Emissions : Released Life Cycle Status: Available To Order Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 5.5 x 5 x 5.25 inches Weight: 0.64 lb PDF: PDF: 2650-1606