32" x 36" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Set Actual Filter Size – 25

Actual Filter Size – 25 3/4"w x 25 3/4" x 1"

+ Product Details Size - 14"w X 36"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 26 5/8" width X 14 5/8" height

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actual front end outer dimensions are approximately 21 5/8" width X 33 5/8" height

32" x 36" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Set Actual Filter Size – 25+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 36" Or 36" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 38. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 35. 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