Minneapolis DuctBlaster® Square Transition Piece
This Minneapolis DuctBlaster® component is connected to a central return grille or at an air handler cabinet during a duct leakage test. See Chapter 5 of the Minneapolis DuctBlaster® User Guide for instructions and photographs. The square transition piece and flexible duct are connected by inserting the round center ring of the transition piece inside the duct and tightening the duct Velcro® strap.
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