A lot more importantly, the AirDoctor AD3500 has every little thing you may have to fight airborne allergens: a pre-filter that traps huge particles like dust and hair, a dual-action carbon/VOC filter that absorbs odors and unsafe gaseous compounds, and an UltraHEPA filter able to trapping 99. RMS Queen Mary https://quincyi170mwg7.blogchaat.com/profile