CNP Technology vs. Aerosol: Creating a better fit test


For years, aerosol technology was the preferred method for testing respirator fit. Advances in technology, specifically the invention of controlled negative pressure (CNP) technology gives you other, more reliable methods for testing fit. We wrote a whitepaper on:

  • The strengths of each technology
  • Why sampling biases increase risk
  • Why aerosol technology undercounts particles
  • How CNP eliminates the need for particle counting

To learn more about CNP technology and how it can help you more effectively protect the health of your people, download our whitepaper, How CNP technology Compares to the Aerosol Technology. You can also read how the OHD Quantifit has become the leading technology in mask fit testing.


Read our whitepaper on why CNP technology is the preferred method for fit testing.