Duct opening size - 9.875 x 6.125 Brushed Stainless Steel ProLinear return (NO damper) vent cover with a beveled edge, and NO screw holes for $144.00 each.
Duct opening size - 10.375 x 5.8125 Brushed Stainless Steel ProLinear return (NO damper) vent cover with a beveled edge, and NO screw holes for $138.00 each.