The carbon in the Plus model is impregnated with potassium iodide which makes this unit even more effective at removing formaldehyde and ammonia

Animal Exclusive (Purple)

3 microns and is capable of cleansing the air for areas up to 1500 square feet

[custom_html] The Dyson DC17 Cyclonic Assembly uses patented technology to better separate more fine dirt and dust from the air

Perforated steel intake housing:  360 intake

Austin Air Allergy Machine Replacement Filter Best Seller The carbon in the Plus[custom_html] This is a replacement filter for the Austin Air Allergy Machine. Austin Air has constructed this filter with those individuals suffering with allergy affliction in mind. The filter contains military grade technology in the form of its High Efficiency Gas Absorbing (HEGA) media. HEGA filter media is combined with true medical HEPA filtration to remove chemical gas contaminants and 99. 97% of airborne particles larger than 0. 3 microns.