Face mask filters Buff, 30 pcs.

A set of face masks Buff filters with 30 disposable backup filters are suitable for BUFF adult face masks (Filter Mask) and filter tubular scarves. Filtering capacity 98% BFE (bacterial filtering efficiency); Low respiratory resistance; meets the standard OF medical facial mask EN14683: 2019, types I and II; Finland develops a three-layer filter with a layer of medium-molten nano fibre covered on both sides of the fibres with a water-pushing product; the filter is produced in Ahlström-Munksjksjjjk at the factory in Germany ; Made and packed in clean state ; The filter is disposable. The operating time depends on use and the environment and is a maximum of 24 hours, with a maximum storage duration of 5 years.