22" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12" Round Duct Pipe High Quality ABS Plastic -

High Quality ABS Plastic - Will Last Forever & NEVER RUST

actual front end outer dimensions are 8" diameter

14"w X 4"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size – 32"w X 6"h is the size for the duct opening measurement only

22" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12" Round Duct Pipe High Quality ABS Plastic -+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 34" OR 34" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 36. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 33. 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