【Medical Grade HEPA】Better than H11 HEPA filter,our H13 medical grade true HEPA filter helps to absorb 99.97% of airborne particles down to 0.3microns in diameters
【Easy to Install】It is quite easy to install the filter without any tool.Note:Just remember to take off the plastic bag before installation
【Value for Money】 Including 2 packs SF-HA 50 HEPA filters of great quality and low cost to save your money
【Warm Tips】It is recommended to replace the filter every 2-3 months depending on using frequency
