The filter material may be washed, but ordinarily we recommend ‘hand washing’. Machine washing can be somewhat vigorous which can abrade the material by being washed with other garments. Some washing powders also contain fragrance additives which the filter will certainly pick up.
The best procedure now would be to follow our washing guide and hopefully your filter will still be useable.
To ensure good hygiene/care measures we suggest that you place the filter and valves in a pan of freshly boiled water (remove pan from heat source before putting filter in) and let it cool down. Remove the filter unit from the water and allow to stand dry.
This procedure will remove facial oils that may build up over a period of continuous use and will also remove some of the particulates and organic vapour that will be present within the charcoal structure of the filter or tissue salt build in the valves.
If the mask shell requires washing, this should be done by carefully removing the filter assembly and then washing the mask shell in warm soapy water and then left to dry naturally (not forced by means of heaters and driers).
STEP 1: Bring a pan of water to the boil
STEP 2: Remove the pan from the heat
STEP 3: Place the filter in the hot water and leave until the water gets cold
STEP 4: Remove the filter from the cool water
STEP 5: Place the filter on a cloth to dry
This procedure will remove facial oils that may build up over a period of continuous use and will also remove some of the particulates and organic vapour that will be present within the structure of the filter.