Blower door flow ring set

Model 3 Minneapolis Blower Door™ Fan Flow Ring Set (A, B & No Flow Plate)

Replacement Standard Ring Set for Model 3 & 4 Blower Door Fans Ring A: 2,800 – 915 CFM Ring B (inside Ring A): 1,100 –...
$ 370.00
$ 370.00

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Replacement Standard Ring Set for Model 3 & 4 Blower Door Fans

  • Ring A: 2,800 – 915 CFM

  • Ring B (inside Ring A): 1,100 – 300 CFM

  • No Flow Plate: closes off the fan for baseline readings

The rings attach to the fan inlet with the turn clips on the housing edge. Lower-flow Rings C, D and E are sold separately. Ships direct from The Energy Conservatory (TEC LFRINGS).