xTool Smoke Purifier filter set Filter set for xTool Smoke Purifier The xTool Smoke Purifier Filter Kit ensures continuous performance and clean air in your workplace. Consisting of three layers: a pre-filter, a HEPA filter and an activated carbon filter, the kit guarantees the removal of up to 99.97% of harmful particles and unpleasant odors. By replacing the filters every 3 months, you can maintain the optimal efficiency of the device and ensure a healthy environment, which is crucial, especially in heavily used spaces. The set of filters you'll find in the package makes one complete filter. Pre-filter x 2Center filter x 1Main filter x 1 Manufacturer xToolManufacturer code P5010195Compatibility xTool Smoke PurifierFilter type HEPA