Filter replacements: Bissell endorses changing the air filters each and every three months, and the method is easy and intuitive. OEM replacement filters can be found on Bissell, and generic replacement filters are available on Amazon. ) You might be able to find a model’s decibel ranges on its packaging https://stephenqokao.topbloghub.com/32431633/a-simple-key-for-medic-therapeutics-air-purifier-unveiled