The Dwyer® Inclined Vertical Manometer offers precise low differential pressure measurements in a durable acrylic body. Ideal for laboratory and testing applications. Inclined/vertical manometer; inclined 0-2.2” w.c., 0.02 div, 6-1/8” scale; vertical 2.4-23.0” w.c., 0.20 div, 10-1/4” scale.