- pERFORMING iNSTRUMENTS
Stop Using Cardboard Around Your Flow Hood.






The Performing Instrument Flow Hood Cover gives HVAC professionals a cleaner, faster, and more reliable way to measure airflow accurately.
Designed to fit firmly around flow hood funnels to help:
Reduce air leakage
Eliminate cardboard trimming
Improve testing setup stability
Create a cleaner professional appearance on-site
- PERFORMING INSTRUMENTS
Performing Instruments
Flow Hood Cover
Available in circular and rectangular shapes with reinforced support straps for a secure fit during use.
Why Technicians Love It
Because it immediately feels better than improvised setups.
No cutting cardboard.
No unnecessary adjustments.
Consistent result
Just a secure, purpose-built cover designed specifically for airflow testing.
Airflow Hood Cover: A Time-Saving Solution for Airflow Measurement
- pinstruments
Flow Hood Cover
Introducing the Airflow Hood Cover, a versatile and efficient material designed to simplify airflow measurement. This product eliminates the need for time-consuming cardboard trimming for grilles and diffusers. The Airflow Hood Cover is available in circular and rectangular shapes and sizes that fits any standard hood funnel, it features unique reinforcement straps for added firmness and support during airflow measurements. This straps and firmness
Discover the Airflow Hood Cover and experience the efficiency and accuracy it brings to your airflow measurement tasks.