Paulson AMP4-20-HTM 9004944 AmpShield Model AMP4-20-HTM MSA Slotted Full-Brim Hat Bracket 20 cal/cm² (Hardhat not included) No Sales Tax Free shipping Paulson factory to you Authorized worldwide Paulson distributor Arc flash protection face shield w/ HT nanoparticle lens & transparent chin protector. ATPV 12 cal/cm². Premium shield coatings feature an anti-abrasion hard coating on the exterior and permanent anti-fog coating on the interior. Hat bracket for MSA slotted full-brim hardhats. LeverLock bracket attachment system for easy face shield replacement.