26" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w34h34 this coil exceeds the required

this coil exceeds the required 700 PSI for R410 with a pressure rating of 2300 to 6500 PSI

+ Product Details Size – 28"w X 18"h is the size for the duct opening measurement only

this solid-base guard ensures long-lasting performance with minimal hassle

+ Product Details Size – 14" X 4" is the size for the duct opening (floor/vent hole) measurement only

Actual Front End Outer Dimensions Are 14" Diameter

26" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w34h34 this coil exceeds the required+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 10" OR 10" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 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