Pre-filter in front of the main particle and gas filters. The low-cost pre-filter sorts out coarse wet and dry particles, protects the main filter and prolongs its service life.
102 mm diameter; 1 mm thick. Fits into the pre-filter holder of all Sundström non-threaded main filters (gas and particle).
Store at room temperature in clean, dry place. If seal has been broken, store away from contaminants in an air-tight container. Shelf life is 10 years if seal is unbroken. Expiry date printed on filter.