Filters Regulators and Lubricators - Air Preparation Equipment for cleaning and drying, maintaining and stabalising pressure and add an oil mist lubricant into the air. Air filters available with semi automatic drain (manual drain or automatic drain when system pressure drops below 0.5 bar), manual drain only or fully automatic drain so the filter will drain regardless of system pressure. Air pressure regulators designed to reduce and maintain stable accurate outlet air pressure, with high flow rates. Air lubrication units with oil misting system that can be replenished whilst in use to lubricate pneumatic downstream equipment. Click here to see the full range of Shako FRL air treatment equipment.