MSA Skullgard Cap Style Hard Hat, Fas Trac III Suspension Type II, Class E High Heat Helmet Style:White Browse the full PAPR respirator Margin alarming at fractions Browse the full PAPR respirator filters collection for more options Sub contractor programs — navy identification hard hat for specialist crews — H 810V for sub contractor specialist personnel who wear navy hard hats for role identification on multi contractor construction sites and benefit from full brim weather protection in outdoor work areas Its Class E (Electrical) rating means the non conductive shell is dielectric tested to 20 4 point ratchet Shell Material High heat phenolic (Garolite style) Vented No (non vented