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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
Installation is simple
+ Product Details Size – 10"w X 28"h is the size for the duct opening measurement only
+ Product Details Size – 26" x 34" or 34" x 26" is the size for the duct opening measurement only
actual front end outer dimensions are approximately 10 5/8" width X 38 5/8" height
+ Product Details Size – 16" x 20" or 20" x 16" is the size for the duct opening measurement only
36" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w20h20 Installation is simple+ Product Details Perfect Fit & Easy Sizing Designed for a 36" x 12" OR 12" x 36" duct opening (measured at the opening), with actual outer dimensions of 38. 5" W x 14. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 35. 75" x 11. 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