Each box contains 2 HEPA replacement filters.
You can vacuum the HEPA 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 Hepa filter is sold in a box of two.
|Filter Lifespan||24 months (approx.)|
|What's in the box||2 x HEPA Replacement Filters|