32" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12" Round Duct Pipe 3 * Insulation density is

3 * Insulation density is 30kgs/CBM = 0

+ Product Details Size - 32"w X 26"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 34 5/8" width X 27 5/8" height -

High Quality – Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control

75"H – fits a 20" X 8" duct opening

32" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12" Round Duct Pipe 3 * Insulation density is+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 26" OR 26" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 28. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 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