LSP-X1 | AG+ Medical Grade Silver Ion Antiviral Air Purifier (Pre-order)Patented 4 stage air sterilization purifying technology: pre filter, activated carbon layer, AG+ silver ion technology and ionization technology Eliminates >99. 9% of COVID 19 (SARS CoV 2) within 30 minutes Approved by the FDA as a medical grade device Eliminate > 99. 99% influenza viruses, Staphylococcus aureus, >99. 9999% fungi, >99. 98% E coli and >99% of all airborne bacteria The filter can generally be used for 6 to 18 months CADR (m h): 200