Z6000Replacement Filters for TruSens Performance Air Purifiers, 2/PackKeep your TruSens Performance Series Air Purifier running at optimal levels with these replacement filters. The True HEPA Filter captures viruses and bacteria, including 99. 99% of airborne coronavirus. The Activated Carbon Filter captures volatile organic compounds (VOCs). The Durable Mesh Pre filter captures larger particles such as dust. The pre filter can be hand washed in between filter replacements. For best results, replace the filter every 12