16" x 20" or 20" x 16" Cube Core Eggcrate Return Air Grille Copper Coil /* more readable bullets */

/* more readable bullets */ } /* LINK STYLING (PDF) */ #hvac-product-accordion a { color: #1a73e8

} /* MORE SPACE BETWEEN ACCORDIONS */ #hvac-product-accordion

this grille is a testament to high standard craftsmanship

this floor register seamlessly combines durability and design

16" x 20" or 20" x 16" Cube Core Eggcrate Return Air Grille Copper Coil /* more readable bullets */+ Product Details Size 16" x 20" or 20" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" X 21. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing