Neumatic shoppe supplies the filter/regulator/lubricator [frl] units from the stetters range. These frl units include frls, cylinders, solenoid valves, air dryers, pressure gauges, polyurethane tubes, polyurethane coils, pneumatic fittings, manifolds, flow control valves, fittings swivel equal elbows and tees, bulkhead fittings and push-on fittings. Specification of the xl series of frl units: frls in xl series include the following port sizes in bsp [inch]: 1/8, 1/4, 3/8, 1/2 and 3/4. Special features of these frl units include quick detachable polycarbonate bowls; optional metallic bowls; safety bowl guard; push-pull/fine adjustment knob; built-in push button manual discharge; space saving modular design; exceptional performance and unparalleled aesthetics.