S&P RESPIRO 100 Mode D'emploi page 40

Remove the filters (8) from their housing and clean them, aspirating the residual dirt with a vacuum cleaner or washing
them under running water, drying them carefully before putting them back.
EN
If the filters (8) are worn (indicative time 2 years) change them, ordering replacements from your dealer.
During the filter (8) cleaning/replacement operations also aspirate any residual dirt in the ceramic exchanger. DO NOT
WASH THE CERAMIC EXCHANGER WITH WATER.
Once you have done the cleaning operations, position the filters (8) in their housing on the exchanger (7), inserting the filter
slits under the cord as shown in the below image:
40