Electrostatically charged fibers attract and retain particularly fine particles. Four adjustable elastic straps ensure a snug fit and optimal comfort. Soft foam seal around the entire edge of the mask with high absorbency. Honeywell filter masks are made of semi-rigid, non-woven fabric that provides an excellent fit even in wet conditions. Product range with activated carbon. Protection against welding fumes, organic vapors, dusts, aerosols consisting of particles ≥0.02 microns in size.