34" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Outdoor Vent Covers High Quality – high quality

High Quality – high quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

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this thermostat guard is compatible with most standard thermostat models

this air vent diffuser is built to last

34" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Outdoor Vent Covers High Quality – high quality+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 26" Or 26" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 28. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 75" x 25. 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