Chemsplash 7012YT Yellow Collared Chemical Resistant Coveralls with Elastic Cuff, Taped Seams 6 Pack Size:3XL and salts and are worn Dispenser:Kresto 2000 mL Liquid Black Dispenser and salts and are worn when cleaning tanks or hazardous waste cleanup when liquid jet streams are encountered Designed for carpet extraction machines or to be used by hand High moisture vapor transfer rate improves wearer comfort 5% ISO 6530 EN 368 Class 3 Class 2 Sodium Hydroxide 50% ISO 6530 EN 368 Class 3 Class 3 Hydrochloric Acid 36 37% ISO 6530 EN 368 Class 3 Class 3 Hydrofluoric Acid 48 50% ISO 6530 EN 368 Class 3 Class 3 JP8 Jet Fuel ISO 6530 EN 368 Class 3 Class 2 Sulphuric Acid 96% ISO 6530 EN 368 Class 3 Class 3 Synthetic Blood ASTM F1670 Pass