16" x 26" or 26" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Material_Steel 10"w X 3"h Is The

10"w X 3"h Is The Size For The Duct Opening Measurement Only

12" x 8" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

Red Oak Wood – A true decour upgrade to you HVAC application - adds a touch of warmth & softness to the room

Aluminum Garage Door Air Vent Grille Register - With Damper Control Lever For Winter & Summer Settings - With Insect Net Prevent Guard [17

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16" x 26" or 26" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Material_Steel 10"w X 3"h Is The+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 26" OR 26" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 28. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 75" x 25. 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