32" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Set Perfect for sidewall or ceiling

Perfect for sidewall or ceiling installation

Actual Filter Size – 11 3/4"w x 7 3/4" x 1"

Designed for optimum performance

Actual Front End Outer Dimensions Are 14" Width X 10" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

One model suits both T-Bar and Drywall installations

32" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Set Perfect for sidewall or ceiling+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 12" OR 12" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 14. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 11. 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