Economy priced for limited useLimited use series designed for short term users or applications while providing excellent valueLow profile design fits under most grinding or welding helmets and provides extended field of visionLarge inhalation valves provide maximum surface area, reducing inhalation resistance while increasing user comfort and productivityPatented corrugated exhalation valve design and minimized "dead air" space provide low breathing resistance and added comfortPatented multi-position cartridge placement allows maximum compatibility with other PPETextured no-slip face seal and swivel retainers ensure proper placement and provide a comfortable seal on a wide variety of facesEnhanced harness assembly features metal tabs finishes on nylon straps to prevent fraying allow easy adjustment when wearing glovesReusable respirators eliminate the need and cost of disposable N95s; proven 95% waste reduction and a 90% reduction in costs spending on NIOSH approved respirators