The AllerAir® 5000 Series contains some of the most popular and general purpose air purifiers in the AllerAir® brand. The models in the 5000 Series treat all the various types of pollutants, which contribute to poor indoor air quality. The substantial quantity of activated carbon ranges from 18 lbs to 27 lbs in these units and absorb chemicals, gases and odors. The AllerAir® 5000 Series features a more compact design than the 6000 Series while still offering exceptional chemical, gas, odor and particle filtration. The 5000 Series purifiers also possess a powerful Medical-Grade HEPA filter to remove 99.97% of all airborne particles down to 0.3 microns.