Pre-filter can increase the life of the filter material of the TR-600 series filters by trapping large particles that would otherwise cause the filter to clog. Regular pre-filter replacement can optimise your system performance.
Maximise the useful life of your 3M filters with 3M pre-filters. Pre-filters help prevent clogging by trapping large particles before they reach the filter. Frequent pre-filter replacement can ensure continued good system performance. Pre-filters are maintenance-free and should be discarded when clogged or damaged. For your safety and comfort, make it a habit to check for old or damaged parts and replace them.