Pneumatic Relay, Air Capacity 0.039 scfm, Application -, Branch Port Connection Size 3/16 in, Branch Port Connection Type Barbed Hose, Common Port Connection Size Not Applicable, Common Port Connection Type Not Applicable, Contact Form SPDT, Control Action Reverse Acting, Control Signal Pulse Width Modulating, Diaphragm Material Neoprene, Differential Adjustability Fixed, Differential Pressure - Maximum 13 psi, Differential Pressure - Minimum 3 psi, Exhaust Port Connection Size 3/16 in