22" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum Adjustable Curved Blade actual front end outer dimensions

actual front end outer dimensions are approximately 27 5/8" width X 30 5/8" height

Secure Locking Mechanism – Features a permanently attached eight-tumbler lock with a supplied key for added security

Actual Filter Size – 29 3/4"w x 35 3/4" x 1"

Actual Filter Size – 31 3/4"w x 23 3/4" x 1"

22" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum Adjustable Curved Blade actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 21. 75" x 1" Premium Airflow Efficiency High performance cube core eggcrate design allows 95% airflow efficiency, reducing energy costs and maximizing HVAC system lifespan. Durable, Rust Free Aluminum Made from