18" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Fixed Blades + Why HVAC Premium HVAC Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Why HVAC Premium HVAC Premium has been providing superior quality service for many years

+ Product Description Upgrade your HVAC system with our 5" Round Air Vent Supply Grille

How To Measure A Grille

+ Product Details Size - 30"w X 34"h is the size for the duct opening measurement only

+ Product Details Size - 34"w X 10"h is the size for the duct opening measurement only

18" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Fixed Blades + Why HVAC Premium HVAC Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Why HVAC Premium HVAC Premium has been providing superior quality service for many years + Product Description Upgrade your HVAC system with our 5" Round Air Vent Supply Grille