Minneapolis Blower Doors RING4 Ring 4 for Duct Blaster

Name: Minneapolis Blower Doors RING4 Ring 4 for Duct Blaster
Brand: Minneapolis Blower Doors
SKU: MBDRING4
Price: 140.00 USD
Availability: InStock
Rating: 5.00 (1 reviews)

5 (1 Review) | Model: Minneapolis Blower Doors RING4

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Ring 4

Ring 4 for duct blaster
Flow range 2.4 to 25.0 cfm
Measure very low air flows

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Description

MBD RING4 for Duct Blaster

Ring 4 is an optional flow ring for the Series B Duct Blaster fan used to measure very low air flows. Ring 4 has a flow range of approximately 2.4 to 25.0 cfm. To install Ring 4, place the flat side of the ring against the inlet of the fan so the outer edges of the ring roughly line up with the outer edge of the inlet flange on the fan. Secure the outer edge of the ring and the fan flange together by pushing the black connecting trim over both edges all the way around the fan.