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Actual Filter Size – 9 3/4"w x 7 3/4" x 1"
+ Product Details Size - 28"w X 6"h is the size for the duct opening measurement only
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actual front end outer dimensions are 19
+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 8" OR 8" X 18" duct opening (measured at the opening)
18" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w14h14 Actual Filter Size – 9+ 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
US$ 43.00
US$ 42.00
US$ 42.00