2 - Duct opening 4X8 Stonewall design in Brushed Stainless Steel with dampers with matching screws 1 hole on each short side a distance of 9 1/8" apart for $133.00 each-2 for $266.00
2 - Duct opening 6X10 Stonewall design in Brushed Stainless Steel w/o dampers with matching screws 1 hole on each short side a distance of 10 1/2" apart for $151.00 each - 2 for $302.00
1 - Duct opening 6X12 Stonewall design in Brushed Stainless Steel with damper with matching screws 1 hole on each short side a distance of 12 1/2" apart for $268.00 each
