Upgraded 3-stage Filtration System this is a filter replacement kit for xTool smoke purifier.

We suggest you replace it every 3-6 months (depends on the use time and frequency)

Pre-Filter captures visible smoke and dust. Our pre-filter is much thicker and has 2.5 times longer lifespan than others on the market.

Middle Filter: effectively absorbs and filters harmful particles down to 0.3µm with 99.97% purification rate.

Main Filter: absorbs and removes harmful gases and unpleasant odors with the high-performance premium activated carbon.

Package Includes:

1 Pre-filter

2 Middle Filter

1 Main filter