Ring C for Model 3 Fan

Ring C for Model 3 Fan

Regular price $235.00 Sale

Ring C is used with the Model 3 Minneapolis Blower Door system to measure
fan flows between 300 and 85 cfm, and between 260 and 50 cfm with the
Model 4 system . Flows in this range are typically measured in tightly
constructed new houses, or in airtight rooms (e.g. computer rooms).

Product Number: RINGC