jackrabbit-slim
jackrabbit-slim
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the size of the duct and how its attached to the furnace has more to do with perfomance than the grill size. that grill is more than enough for 2000 cfm at residential pressures and velocities. but if its screwed to the wall and the 3 1/2 inch spa…
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the size of the duct and how its attached to the furnace has more to do with perfomance than the grill size. that grill is more than enough for 2000 cfm at residential pressures and velocities. but if its screwed to the wall and the 3 1/2 inch spa…