14"W X 25"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 15.75"W X 26.75"H] w26h26 and we recommend a rearward 4 X 12 Is CRFG2028 Width_14in

and we recommend a rearward tilt for your mini split unit to ensure maximum security

+ Product Details Size – 4"w X 8"h or 8" x 4" is the size for the duct opening measurement only

With its compact size and high-quality materials

specifically designed for the 45mm Ratcheting Tubing Cutter

When used together

14"W X 25"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 15.75"W X 26.75"H] w26h26 and we recommend a rearward 4 X 12 Is CRFG2028 Width_14in and we recommend a rearward tilt for your mini split unit to ensure maximum security + Product Details Size – 4"w X 8"h or 8" x 4" is the size for the duct opening measurement only