Profile: Air Techniques International is a designer and manufacturer of test equipment for filter media testing, panel filter testing, respirator cartridge testing, respirator testing, and in-place HEPA/ULPA filter certification. We are an ISO 9001 certified company. Our 100S salt aerosol automated filter tester is designed to meet the NIOSH 42 CFR Part 84 respiratory testing standard with a heavy focus on the end-user. A high level of performance coupled with low maintenance and service requirements make the 100S ideally suited to meet the rigorous quality control and validation requirements of both product development and production environments.