34" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 6in diameter even without needing to remove

even without needing to remove the thermostat

Actual Front End Outer Dimensions Are 16" Width X 10" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

Actual Filter Size – 33 3/4"w x 31 3/4" x 1"

and are ready to go for the next job

34" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 6in diameter even without needing to remove+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 30" Or 30" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 30. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 75" x 29. 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