![Air Science Pre-Filter, Pack of 6](/_next/image?url=https%3A%2F%2Fmediscawebsite01.s3.ca-central-1.amazonaws.com%2Fproduction%2Fimages%2F6670.jpg&w=3840&q=90)
Air Science Pre-Filter, Pack of 6
The Purair Basic Ductless Fume Hood Pre-Filter is an electrostatic pre-filter that is 99.5 % effective. It is accessible from inside the chamber to contain the release of any particulates that it traps. The Pre-Filter can be changed while the unit is operating to prevent operator exposure to chemical vapors. Use alongside the main filter to remove contaminants from the air.