Removable Vacuum Filter – MESH PRE-FILTER: Isolate large particles like Hair, food debries, rocks. HEPA FILTER: Trap 99.7% fine dust and particles down to 0.3 micrometer.

Filter Service Life – One 2156A HEPA filter can serve for 3-6 Months. The time may vary depending on the working circumstance.

Washable Filter – 2156A replacement filter can be washable. Suggest rinsing the filter once every month, air-dry the filter completely for at least 24 hours. (Note: Turn off and unplug the vacuum before install.)