SKU: 30947691741
Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
+ Product Details Size – 40"w X 10"h is the size for the duct opening measurement only
actual front end outer dimensions are 3"
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Tamper-Proof Design – Provides robust protection to prevent unauthorized access and ensure consistent thermostat settings
Filter Size - 33
34" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 18" Round Duct Pipe + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 12" Or 12" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 14. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 75" x 11. 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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