I'm relocating an HVAC return from the floor of my dedicated HT room to a soffit. Would like to get a Nailor grille/diffusor but there is no local supply and the couple out of town HVAC suppliers I emailed never answered back. So what about using a grille from Lowes or HD? I'm looking for something in the 4"x30" to 6x36 range.
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4/27/13 at 8:17am