Laboratories throughout the world that perform work with Risk Group 4 Pathogens generally adopt one of two approaches within BSL-4 environments: either the use of positive pressure air-fed suits or using Class III microbiological safety cabinets and isolators for animal work. Within the UK at present. all laboratories working with Risk Group 4 agents adopt the use of Class III microbi... https://allfixelectricales.shop/product-category/dishwasher-airbreak-hose/