http://tinyurl.com/o33ggbv<P>Supco 823009 Digital Manometer with Dual InputProduct Review<P> Click on the link for more reviews<P>Range = +/- 55 H20.<P>Resolution to 0.01.<P>Hose and Case Included.<P>Backlit Liquid Crystal Display (Lcd).<P>Satisfaction ensured.<P>
