22" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 2-Way 75"H – fits a 12"

75"H – fits a 12" X 12" duct opening

Actual Filter Size – 24 3/4"w x 19 3/4" x 1"

Design – Unrestricted airflow for your HVAC system - adjustable one-way louver with full horizontal airflow directional control - single deflection supply grill with 96% airflow - noise free components - no vibrating louvers etc

+How To Measure A Grille Overall Size:

75" width X 33

22" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 2-Way 75"H – fits a 12"+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 10" OR 10" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 9. 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