36" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 10" + Product Details Size –

+ Product Details Size – 28"w X 24"h is the size for the duct opening measurement only

Copper coil line set fits most ductless mini split air conditioners

function () { const item = this

14" x 6" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

+ Product Details Size - 32"w X 4"h is the size for the duct opening measurement only

36" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 10" + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 36" x 12" OR 12" x 36" duct opening (measured at the opening), with actual outer dimensions of 38. 5" W x 14. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 35. 75" x 11. 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