The Domnick Hunter K009PF is a 25µm pre-filter (PF grade) for compressed air systems from the British brand Domnick Hunter. It removes liquid water, oil, and solid particles ≥25µm from compressed air, often used as a primary protective filter in the aftertreatment process of air compressors.
**Model Meaning:** K009 indicates the filter size/series (suitable for low-flow systems), PF = Pre-Filter, accuracy ≤25µm, residual oil content approximately 5 ppm, does not remove gaseous moisture or oil mist.
**Typical Applications:** After the air compressor aftercooler, before a dryer or precision filter, as a coarse filtration protection filter.