4 - 7 x 5 (duct opening size) 10-1/16 x 8-1/16 (overall dimensions) Stonewall Supply (with damper) With Screw Holes - White Finish = $95 each - $380 total
3 - 5 x 5 (duct opening size) 8-1/16 x 8-1/16 (overall dimensions) Stonewall Supply (with damper) With Screw Holes - White Finish = $70 each - $210 total
