30" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 6in Featuring a multi-shutter damper with

Featuring a multi-shutter damper with an easy-access lever

look no further than HVAC Premium

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 18" OR 18" X 16" duct opening (measured at the opening)

Design – Individually adjusting curved blades for better air flow control

Actual Filter Size – 33 3/4"w x 11 3/4" x 1"

30" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 6in Featuring a multi-shutter damper with+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 34" OR 34" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 36. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 33. 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