SKC Product Code: 225-391 SKC DPS System (Deployable Particulate Sampler System), without pump, for portable 10 L/min Ambient PM10 Sampling (for those who already own a LelandLegacy Pump). The DPS System without pump includes IMPACT Sampler, filterholder (2), calibration adapter, rain cap, disposable impaction substrates (25), filter holder opener, and mounting bracket, in a heavy-duty lockable carry case