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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 6" duct openings
See our separate listing for T-Bar supply grille
+ Product Details Size – 8"w X 4"h is the size for the duct opening measurement only
+ Product Details Size – 28"w X 18"h is the size for the duct opening measurement only
actual front end outer dimensions are approximately 27 5/8" width X 12 5/8" height
22" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Fixed Blades with Damper Ideal for Walls & Ceilings:+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 18" OR 18" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 20. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 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
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