Description
Product Details
Easily expands your existing measurement capabilities:
- Addresses unique air return vent size common in residential and small commercial buildings
- Easy to use—no more ad hoc size creation using cardboard and duct tape
- Constructed of the same top quality frame and fabric as Alnor / AccuBalance / Airflow capture hoods
- Mounts direct to the base of certain model Alnor, AccuBalance and Airflow capture hoods