When inserted into Bondi Air Cos reusable masks, these PM2.5 filters offer a high degree of protection and lower inhalation resistance than other filters or masks.

– 10 pack of Filters
– PM2.5 Filter for the smallest and most dangerous forms of air pollution
– 5 Layer system, with central layer of activated carbon fibre
– With constant or extreme usage the filter should be changed every 40 hours
– With occasional use these filters can be effective for around 2 weeks.
– Wash you re-usable mask between filter changes