Each box contains 2 activated carbon replacement filters.
You can vacuum the carbon filter from time to time but never wash it with water.
Please note: the Philips Series 6000 has one set of filters on each side, which is why the replacement carbon filter is sold in a box of two.
|Filter Lifespan||12 months (approx.)|
|What's in the box||2 x Carbon Replacement Filters|