Description
Some of the best features aren't readily apparent
+ Product Details Size - 24"w X 34"h is the size for the duct opening measurement only
75" width X 17
+ Product Details Size – 12" x 36" or 36" x 12" is the size for the duct opening measurement only
Operating temperature from -40°f to +248°f [-40°c to +120°c]
28" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Adjustable Return Some of the best features+ Product Details Perfect Fit & Easy Sizing Designed for a 28" x 20" OR 20" x 28" duct opening (measured at the opening), with actual outer dimensions of 30. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 27. 75" x 19. 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