Changing the PPB 30 air filter

Loosen unit cover. To do so, lightly push in the two catches, at the bottom of the cover, with a pointed object.

Pull the cover forward on the lower edge and remove it.

Remove both of the used air filters (→ arrows).

Insert new air filters. Always change both air filters.

Hook in the cover in the upper area.

Swing the cover downwards until both catches engage in the housing.