26" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 18" Diameter Actual Filter Size – 29

Actual Filter Size – 29 3/4"w x 29 3/4" x 1"

Install it with ease on your ceilings to transform your space

Actual Front End Outer Dimensions Are 16" Width X 6" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

this diffuser is the perfect blend of function and style for your home

26" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 18" Diameter Actual Filter Size – 29+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 30" OR 30" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 29. 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