AS2 series FRLs' modular design allows individual parts to be exchanged while system is fully assembled. Oil is fed into system via hose from reservoir. Polyamide protective guard around lubricator features window to view oil level. Offers filtration to 5, 0.3, or 0.1 m. Condensate drain is normally closed or normally open to build leak-free pressure faster. Made of polymer with NPT or ISO-G metal connection threads.