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13th World Filtration Congress

Apr 20 2020 - Apr 24 2020 Hilton Bayfront Hotel, 1 Park Blvd, San Diego, CA. Sapphire Ballroom, Booth 104

NOTICE: This event, originally scheduled for April 20-24, 2020, has been postponed in response to concerns about the COVID-19 pandemic. See more information about 13th World Filtration Congress at this link on the event website:

The premier global filtration conference and expo, held every four years, is back in North America and taking place in San Diego, CA.

Hosted this year by the American Filtration & Separations Society (AFS), the week-long event will host experts from around the globe, sharing emerging research and technologies in the filtration industry. Over 300 technical presentations, 7 plenary sessions, 30 keynote lectures, a full expo, and global networking opportunities are some of the major highlights of this world-renowned event!

Visit TSI in booth 104, and learn more about the filter testing equipment we have been producing for over 30 years! Our instruments are used worldwide by certification agencies such as NIOSH, and leading manufacturers, to ensure quality control and compliance testing. 


Short Courses on Monday, April 20th:

Tim Johnson, Senior Applications Engineer for Particle Instruments at TSI, will co-teach a two-part short course:


Introduction to Air/Gas Filtration I - Principles, Media, Application Segments and Equipment 


Introduction to Air/Gas Filtration II - Media and Filter Design, Testing & Standards

1:00pm - 5:00pm

 For more information on the short courses, and to register, please visit the WFC event page

Technical Presentation on Wednesday, April 22nd at 4:00 PM

Tim will also be presenting a technical paper during G5- Gas Filtration Testing & Standard II, titled: High Throughput Quality Control Filter Testing. 

Meet the Presenter

TSI is excited to be exhibiting and presenting at WFC 13

Tim has a Bachelor’s degree in Physics from Macalester College in St. Paul Minnesota, and has worked at TSI Inc. for over 40 years. Since 1990, Tim has worked with the Automated Filter Tester products, and is responsible for the product applications using automated filter test equipment and components used in filter testing applications.

Tim’s exceptional background includes: serving as a member of the American Filtration and Separation Society (AFS) board of directors; active involvement in the ASHRAE, and the Society of Automotive Engineers (SAE), where he has participated in filtration standards development; member of the USTAG for ISO/TC94/SC15 committee, working on an international standard for respirators and ISO/TC142 on multiple working groups involved in working on  standards for general ventilation filters, flat sheet media testing, and room air cleaners.