Space-saving, two-piece combination is a popular air preparation unitAttached in series using spacers and piping adapters, which make the two components easily removable and mountable without disturbing the pipe lineCome complete with a wall mounting bracketRegulators are used to maintain a steady outlet pressure, unaffected by variations or fluctuations in the inlet pressureFilter used to separate dust, dirt, moisture and other contaminants from compressed airFilter features press-type manual drain with nighttime drain feature, which automatically drains off the bowl once the compressed air supply to the filter is switched offLubricator used to feed lubricants to pneumatic equipment and maintain a constant oil-to-air density over a wide range of flowFog/Micro Mist type lubricator, up to 50' pipe runs