16"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 19.75"H] w14h14 is fireproof and ensures efficient

is fireproof and ensures efficient thermal performance

+ Product Details Size - 16"w X 18"h is the size for the duct opening measurement only

HVAC Premium has been providing superior quality service for many years

10" x 4" Floor Register HVAC Air Supply Grille - Heavy Duty Rigid Built - Plastic Never Rust Vent Duct Cover

5/8" - 2579 PSI

16"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 19.75"H] w14h14 is fireproof and ensures efficient+ Product Details Size 16"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" width X 19. 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