M2800 Special Ops™ Series HandyStrap® N95 Particulate Respirator, Non Oil Particles Vapors, Medium Large no checkout and insects UVA UVB protection Contains aloe vera and insects UVA UVB protection Contains aloe vera gel and vitamin E Cedar fragrance wards off insects tight grip Added carbon layer helps filter out nuisance levels of ozone and organic vapors (less than OSHA PEL) For most welding applications HandyStrap® with buckle allows mask to comfortably hang around neck when not in use Ventex® valve lets the hot air out faster so workers stay cooler The solid black color stays cleaner looking longer preventing pre mature disposal