The replacement frequency of a dust collector cartridge filter depends on several factors, including the type of application, the volume and characteristics of the dust being captured, and the overall system design. There is no fixed schedule that applies to every collector.
The most reliable way to determine when a cartridge needs to be changed is by monitoring the maximum vacuum level the system reaches. As the filter media becomes loaded with particulate, the vacuum will increase. Once the collector reaches the maximum allowable vacuum specified for your system, the cartridges should be replaced.
A regular visual inspection should also be part of your maintenance routine to check for signs of damage, blinding, or improper sealing.
Because every application behaves differently, establishing a baseline and monitoring changes over time is the best way to determine the ideal changeout interval for your system