For use in smaller walk-in refrigerators/cold rooms by hospitals, schools, restaurants, hotels, florist shops, food service companies, military, and super markets, catering businesses and floral shops. For use in refrigerated warehouses, refrigerated trailers, and shipping containers. Simply attach to the blower air intake or just hang in the overhead of the walk-in refrigerator, directly in the air-flow of the refrigerator unit.

For a Cold Room Up To 3,000 Cu. Ft.: Use several filters per refrigerator blower unit.

Recommendation: Change every 30-60-90 days depending upon density and type of inventory. (See References Above)

For a Shipping Container: Use near the blower unit in the front of the container, If the container is using an air chute, then hang at the back of the container with a loading bar.