14"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille Insulated Line Whilst the maximum pressure for

Whilst the maximum pressure for R410 is 700 PSI

actual front end outer dimensions are approximately 15

2" X 10" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

875" width X 21

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

14"w X 8"h Aluminum Adjustable Return/Supply HVAC Air Grille Insulated Line Whilst the maximum pressure for+ Product Details Size 14"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 85" width X 9. 85" height. High Quality Rigid aluminum construction with counter sunk screw holes (screws included) and no sharp edges. Installation Location Sidewall and ceiling. Design Unrestricted airflow for your HVAC system adjustable one way louver with full horizontal airflow directional control single