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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
making it compatible with most thermostat models
actual front end outer dimensions are approximately 16 5/8" width X 26 5/8" height -
75" width X 33
Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 8" duct openings
Actual Filter Size – 9 3/4"w x 7 3/4" x 1"
18" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w14h14 making it compatible with most+ Product Details Perfect Fit & Easy Sizing Designed for a 18" x 16" OR 16" X 18" duct opening (measured at the opening), with actual outer dimensions of 20. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 17. 75" x 15. 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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