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Layered blues for a quiet Nordic mood—built for long scrolls and clear product focus beside the sticky cabin window.
Wood-toned frames and chip trails keep the buy box grounded—harbor calm meeting cabin warmth without clutter.
Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 12" duct openings
Filter Size - 29
+ Product Details Size – 24" x 30" or 30" x 24" is the size for the duct opening measurement only
+ Product Details Size - 22"w X 22"h is the size for the duct opening measurement only
24" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coat Ideal for Walls & Ceilings:+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 30" OR 30" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 29. 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