32" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe All steel wire is applied

All steel wire is applied between PET surfaces to prevent corrosion (oxidization)

Works for every air conditioning & refrigeration application including ductless mini-split

Actual Front End Outer Dimensions Are 14" Width X 5" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 22" OR 22" x 26" duct opening (measured at the opening)

32" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe All steel wire is applied+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 20" OR 20" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 17. 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