Grey Filters (6 pk) Purchased before July 2019 (801)
The grey filters are suitable for all Hizero purchased before July 2019. The filter sits inside the channel in the metal grate behind the roller.
The install the new filters use the metal hook provided to pull out the metal grate, wash and install the new filters at the top end.
Suitable for 801 models sold prior to July 2019. The serial number can be found on the back of the handle, if the number starts with 7801 then this will be suitable