Positive Pressure Suits
This is a Sources Sought notice from the National Institutes of Health (NIH) to identify qualified small businesses capable of providing bio-safety level 4 (BSL-4) positive pressure suits. The suits must be made from material resistant to daily chemical showers, include an in-line HEPA filtration system, and meet specific air pressure, noise, and communication standards. Responses must be submitted by 1:00 PM EST on Friday, May 15, 2026, via email to Tonia Alexander. The applicable NAICS code is 315990 with a 500-employee size standard, and only small businesses should respond. No budget amount or performance location is specified.