8" x 18" or 18" x 8" Cube Core Eggcrate Return Air Grille 12in diameter this thermostat guard is an

this thermostat guard is an ideal solution for residential

This aluminum adjustable louvered garage vent allows air ventilation and circulation in your garage 24 hours a day

high-impact plastic to provide reliable and long-lasting protection for your thermostat

Solid Base Construction – Features a solid base for stable installation and reliable protection

8" x 18" or 18" x 8" Cube Core Eggcrate Return Air Grille 12in diameter this thermostat guard is an+ Product Details Size 8" x 18" or 18" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 19. 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