The 6.5" U-tube Manometer provides the same ease of installation and readability as the best-selling "Easy Read" Manometers, but have been made specifically for use for the GX5 High Pressure Radon Fans. It can also be used with other fans that produce higher pressures.

FEATURES:

• It is intended for use with RadonAway's GX5A Radon Fan
• Read 0.0 to 6.5 WC

• Adjustable zero
• Non-toxic fluid