Two spare filters for use in the Techno mask. Combines a Dynamic Activated Charcoal Cloth filter and a HepA-type filter. Also suitable for use in the City Sportsta and Nitesight masks The filter is designed to be fully effective for at least 1 month in normal regular daily use in the urban environment
The Respro Techno filter is suitable for use in heavily polluted environments, ie, air that is full of diesel particulates and respirable dusts that lodge deep within the lungs and air sacs. It is a combination of the Sports filter and the City filter giving you both sub-micron particle filtration with gas and vapour filtration. What this means is that the filter is able to trap particles less than one micron in size.