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 range: 0-2.0" w.c., .01 min. div., 20" scale; vertical range 2.1-5" w.c., min. div.10, 3-1/4" scale.