This Drainvac Activac II Filter is installed on the walls of homes as well as offices, hospitals, banks, malls, restaurants and lounges. It is a great choice for the people suffering from asthma and allergic infections. The offered product is capable of filtering capturing 99.97% microscopic allergens, microns and other particles from the air. Manufactured using superior grade components, this product comes with an activated charcoal membrane. The provided product is the newest and cleanest means of venting central vacuum. This product is known for efficient performance, longevity, ergonomic design and ease of maintenance. We deliver this Drainvac Activac II Filter in standard configuration with breakage resistant foam or bubble wrap packing.