16" X 4" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White 6" Diameter /* more vertical + left

/* more vertical + left spacing */ } /* OPEN STATE */ #hvac-product-accordion

Design – Easy unrestricted air flow for your HVAC system

Actual Filter Size – 27 3/4"w x 17 3/4" x 1"

Airflow – Easy unrestricted airflow for your HVAC system

actual front end outer dimensions are approximately 27 5/8" width X 28 5/8" height

16" X 4" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White 6" Diameter /* more vertical + left+ Product Details Outer dimensions: 17. 75"W x 5. 75"H fits a 16" X 4" duct opening Durable stamped steel construction ensures long lasting performance Designed for sidewall and ceiling installation with included screws Multi shutter damper with easy lever for precise airflow control Smooth powder coated white finish for a sleek look and scratch resistance + Product Description Maximize your homes airflow with this premium Air Supply Grille air supply