The Bunn 28122.0000 Frozen Dispenser Air Filter is designed for compatible beverage and frozen dispensing equipment. It captures dust, debris, and other airborne particles from incoming air before they enter internal areas. The filter is positioned at the designated air intake or ventilation point, helping support cleaner airflow through the equipment. It measures approximately 13.5 inches in length, 11.5 inches in width, and 0.25 inches in height, with a weight of 0.25 pounds. It is also associated with replacement and Suitable models include CDS-2, CDS-3, Ultra Gourmet Ice, Ultra-2, and Ultra-2PAF. Verify equipment specifications before installation to ensure proper fit and compatibility for service.