Pressure regulator manifold LRB-1/4-DB-7-O-K2-MINI Combination of 2, 3, 4 or 5 directly controlled piston pressure regulator on P manifold, without pressure gauge. Size=Mini, Series=DB, Actuator lock=Rotary knob with lock, Assembly position=Any, Design structure=(* On P-manifold, * directly-controlled piston regulator)