NIOSH approved for use against ammonia gas. For use
in the transportation and application of ammonia and in hog and
poultry confinement operations. Comfortable silicone
face piece. Approval No. TC-23C-861. Order pre-filters and filter
retainers separately. Cartridges are not replaceable. This is a
disposable respirator.(Goggles not included). Small size fits
ladies and young adults.