0.5Micron, Breathing Air Filter Replacement

0.5Micron, Breathing Air Filter Replacement. First stage filter and will filter the incoming air down to 0.5 Microns, filtering most dust particulates and solids. Suggested replacement frequency is every 3 months. If there is a noticeable restriction in airflow or odours can be smelt when wearing the head top, then the filter should be replaced immediately. Failure to replace with genuine parts will invalidate product compliance.