24" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w6h6 while the ingenious dial-controlled damper

while the ingenious dial-controlled damper empowers you to effortlessly regulate airflow using your foot

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

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 10" or 10" x 14" duct opening (measured at the opening)

10" x 8" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

Design – removable door/face for easy filter change & cleaning - uses a 1" thick filter

24" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w6h6 while the ingenious dial-controlled damper+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 10" OR 10" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 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