The easy read U-tube manometer, installed in many homes to date, lets the homeowner know at a glance whether the radon system is operating. Our u-tube comes packaged as part of a system monitoring and homeowner Information packet containing instructions, system and component labels, and a homeowner information brochure that complies with current standards.Features- Color: Assorted color.- Material: Wood and stainless steel.- Size: 40.00X6.50X2.00cm;/15.72X2.55X0.79in;- Molded scale curved to fit system pipe. fluid. Adjustable zero- Specifically for use in laboratory testing, computer peripherals.- Features easy to read markings, economical water type manometer.- U shaped manometer for use in air velocity and other general purpose applications.- Can be mounted on any vertical surface and built-in spirit level simplifies leveling.- Manometers measure any combination of gauge, absolute, or differential pressures.Packing list: 1 x pressure gauge