Description
-Midcvfrun U-tube Radon Manometer is a part of a radon system monitoring pressure indicator, is widely ued in many households to allow the homeowners know at a glance whether the radon system is operating.Adjustable zero, Reads 0-4.5" WC..-The easy read U- tube manometer use Non-toxic fluid, 100% safely to kids and pets..-Made of environmental PVC Material and Non-toxic mineral oil with a blue dye added, easy to read at a glance..-Molded scale curved to fit radon fan system pipe..-Package include 2 self-tap screws, could be mounted on any vertical surface and built- in level simplifies leveling.