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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
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Rigid Built For External Use– The sturdy and rigid design features noise free components that eliminates vibration and excess noise to the louvers
+ Product Details Size - 16"w X 26"h is the size for the duct opening measurement only
+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 12" OR 12" x 20" duct opening (measured at the opening)
complete with a set of sponge gasket and mounting frame
24" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12" Diameter } /* LIST SPACING */+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 20" OR 20" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 19. 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