Duct opening size - 8 x 29.875 (OD 9.5 x 31.375) Oil Rubbed Bronze Herringbone return vent cover with no screw holes and no damper made with 1/4" thickness
Duct opening size - 4 x 20 (OD 6 x 21.75) Oil Rubbed Bronze Herringbone supply vent cover with no screw holes and a damper
