Main Filter M CLass for CT 11/22/33/44/55 - 2 Pack

Standard 1 micron replacement filter for the CT 11, 22, 33, 44 and 55 Dust Extractors. Measured in microns, wood dust is particularly troublesome to remove from an environment once it is airborne. Eliminate the majority of the dust created at the source before it is ever released into your environment. Designed to trap particles down to 1 micron while maintaining airflow, allowing you to reach full capacity without clogging or caking.