* Inner and outer fog free strips. * Fluid resistant. * Sensitive inner cellulose layer-sensitive and breathable. * Latex free, lint free, fibreglass free, fire retardant, no dyes and gentle on the skin. * Ultra breathable delta P rating less than 2.2. * High filtration, BFE 99.5%, PFE 99.7% at 1.0 micron * Confroms to CE certification according to European Council Directive 93/42/EEC and subsequent amendments.