Duct opening size - 6 (Height) x 10 (Width) White ProLinear Supply vent cover with screw holes, a minimal flange on one long side, and a damper *CAD request for $158.00 each.
Overall size - 3.5 (Height) x 13 (Width) White ProLinear return (NO damper) vent cover with two screw holes (One centered on each short end) and flat on the back * CAD request for $68.00 each.
