9.5 tall x 12 wide (duct opening size) Royal Linear Pattern - With Screw Holes - With Lip - Minimal Flange along one long side - 1/8" steel - White Finish - With 1way air deflector (RR140-91(36-70) = $196
2 tall x 12 wide (duct opening size) 2-5/8 x 14 (overall size) Royal Linear Pattern - With Screw Holes - NoLip - 1/8" steel - White Finish (RR57-39) = $65
