Smoke Purifier Primary Filter When the filter surface is more than 70% covered with dust and can no longer be cleaned effectively, replace the initial filter. Smoke Purifier Medium Efficient Particulate Filter If the filter is visibly clogged with dust and has reduced absorption efficiency, replace it immediately. If cleaning does not restore its effectiveness, a replacement is necessary. Smoke Purifier High Efficient Particulate Filter If the filter becomes blocked and can no longer be cleaned, replace it to ensure optimal air purification. Compatibility Smoke Purifier Installation Learn more about the Smoke Purifier Air Filter on Bambu Lab Wiki. Specifications Materials: Smoke purifier air filter combo: cotton, plastic Smoke purifier primary filter: cotton Smoke purifier medium efficient particulate filter: cotton Colour: Smoke purifier air filter combo: grey, white Smoke purifier primary filter: white Smoke purifier medium efficient particulate filter: white Includes Smoke Purifier Primary Filter 4x Smoke Purifier Primary Filter Smoke Purifier Medium Efficient Particulate Filter 1xSmoke Purifier Medium Efficient Particulate Filter Smoke Purifier Air Filter Combo 1x Smoke Purifier Primary Filter 1x Smoke Purifier Medium Efficient Particulate Filter 1x Smoke Purifier High Efficient Particulate Filter Browse more Browse all Bambu Lab H2D Browse all Bambu Lab A1 Mini Printer spare parts & Accessories Browse all Bambu Lab AMS Lite Browse all Bambu Lab A1 Mini 3D Printer, Spare Parts & Accessories Browse all Bambu Lab Filament Browse all Bambu Lab X1 3D Printer, Spare Parts & Accessories Browse all Bambu Lab P1P/P1PS 3D Printer, Spare Parts & Accessories Browse all Bambu AMS Spare Parts & Accessories Browse all Bambu Labs Browse all Printer Spare Parts