16" X 12" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White Color_Aluminum The included eight-tumbler lock and

The included eight-tumbler lock and supplied key provide secure access

The integral multi-shutter damper with a convenient handle operator ensures that you can easily adjust the air volume

+ Product Details Size - 12"w X 20"h is the size for the duct opening measurement only

Rust-Free Aluminum - Made from strong

Actual Filter Size – 25 3/4"w x 11 3/4" x 1"

16" X 12" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White Color_Aluminum The included eight-tumbler lock and+ Product Details Outer dimensions: 17. 75"W x 13. 75"H fits a 16" X 12" 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