![]() Please see local authority regulations for disposal advice and locations. If the product is to be disposed of, it should be dismantled from the respirator and disposed of as solid waste. Make sure that they are disposed of according to the filtered substance (gases or particles) in accordance with current waste treatment regulations. Never clean the filters with compressed air or compressed water.Īfter use, gas mask filters are considered special refuse. The filter's storage period (month and year) is marked on the filter label. ![]() Sealed filters tolerate also conditions of -30 to +50☌ and RH below 95%. Store the filters unopened in a clean place at an even temperature, most appropriate at -5 to +30☌ and relative humidity below 80%. The approximate lifetime (usage time) of a filter may, under normal conditions, be calculated by comparing the concentration at the workplace and the minimum Dynamic Adsorption Capacity (DAC) for the filter.Įach NBC-77 SOF gas mask filter is sealed in a plastic bag by the manufacturer. The breakthrough time of a gas mask filter is tested according to EN 14387+A1 at a humidity of 70% and a flow rate of 30 l/min, equivalent to the volume of air per minute used by an average person carrying out medium-heavy work.
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