14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 8" Exceptional Craftsmanship: Hand-inspected for quality

Exceptional Craftsmanship: Hand-inspected for quality

+ Product Details Size - 8"w X 14"h is the size for the duct opening measurement only

and versatile for any project

The permanently attached eight-tumbler lock with a supplied key adds an extra layer of security

It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 8" Exceptional Craftsmanship: Hand-inspected for quality+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 10" or 10" x 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 75" x 9. 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