32" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Fixed Blades with Damper also referred to as T-Bar

also referred to as T-Bar or Lay-in system

Filter Size - 31

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 30" OR 30" x 36" duct opening (measured at the opening)

+ Product Description Upgrade your HVAC system with our heavy-duty

32" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Fixed Blades with Damper also referred to as T-Bar+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 18" OR 18" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 20. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 17. 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