3m 4530 protective coverall sizes l xl xxl 3m gt700000794 the 3m8482 4530 protective coverall size large l is a ppe directive ce category iii type 56 protective garment with breathable smmms material technology boasting a host of features and additional special protective treatments this quality coverall is also ideal for protecting against dust and limited liquid chemical splash with the added benefit of a limited flame spread resistance fsr treatment 3m gt700000794 453