Respro Techno masks have replaceable Charcoal/HEPA filters. A pair of filters comes in each package. Simply replace these mask filters when breathing become difficult or there is a noticeable in performance.
For extended storage periods, the filter should be removed from the shell, ped in a pan of freshly boiled water, removed, and allowed to dry before storing. All used filters should be discarded.
Respro Techno/Sportsta Replacement Filters Medium - Customer Reviews
Reviewed by: bike commuter from Los Angeles, CA
These filters are the right replacement filter for the Respro Techno medium sized face mask. They last me about 6 months of city bike commuting a couple of times a week and feel comfortable against my skin.
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