To get the most out of your compressed air tools, equipment and machinery, a key ingredient is clean air. By using FRL products, also called air treatment system, you will keep your air supply in top condition. CEJN’s FRL assortment of filters, regulators, filter-regulators and lubricators are easy to assemble as well as maintain and can be top- or side-mounted. Designed to provide constant high-quality air to your compressed air system, our air preparation units are available as stand-alone components or in complete system packages.