Solid Acrylic Body U - tube, Inclined and Single Limb type Monometer are accurate and dependable as well as highly Versatile for many applications. It fabricated from 25mm thick transperant Acrylic Solid block, Virtually unbreakable stable and free from distortion for the precision measurement of Pressure, Vaccum and Differential. Scales are graduated to correct for the drop in the well level for Inclined and single Limb Manometer for high accuracy.