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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Suitable for medium-pressure applications
Air Flow – Ensure a quiet and smooth HVAC system with noise-free components
+ Product Details Size - 22"w X 28"h is the size for the duct opening measurement only
actual front end outer dimensions are approximately 16 5/8" width X 27 5/8" height
R value rating of insulation - r3
22" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 18" Round Duct Pipe Suitable for medium-pressure applications+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 30" OR 30" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 30. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 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
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