28" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Round Duct Pipe Actual Filter Size – 25

Actual Filter Size – 25 3/4"w x 35 3/4" x 1"

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

+ Product Details Size – 22" x 32" or 32" x 22" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 27 5/8" width X 34 5/8" height -

28" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Round Duct Pipe Actual Filter Size – 25+ Product Details Perfect Fit & Easy Sizing Designed for a 28" x 14" OR 14" x 28" duct opening (measured at the opening), with actual outer dimensions of 30. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 27. 75" x 13. 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