14"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 15.75"W X 27.75"H] Copper Coil while the ingenious dial-controlled damper

while the ingenious dial-controlled damper empowers you to effortlessly regulate airflow using your foot

much more than required 700 PSI for R410

+ Product Details Size – 14" x 30" or 30" x 14" is the size for the duct opening measurement only

R value rating of insulation - r3

14"W X 26"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 15.75"W X 27.75"H] Copper Coil while the ingenious dial-controlled damper+ Product Details Size 14"w X 26"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 27. 75" height. Design Easy unrestricted airflow for your HVAC system 50 angled to provide maximum airflow. High Quality Solid stamped steel with counter sunk screw holes (screws included) and no sharp edges. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just