Presolicitation Notice: Department of Health and Human Services, Department of National Institutes of Health, intends to negotiate with Honeywell Safety Products USA, Inc. for the procurement of BSL-4 positive protection suits. These suits are necessary for the safety of researchers working in high containment laboratories at NIAID. The suits must be resistant to daily quaternary virucidal chemical showers and include an in-line HEPA filtration system. Failure to procure these suits would negatively impact NIAID's research and put researchers at risk. The procurement is for 69 suits of various sizes, and delivery is required at NIAID, RML in Hamilton, Montana. This is a sole source requirement and not open for competitive quotations.