Bronco & 0 PRESSURE REDUCING VALVE AND FILTER STATIONS DESCRIPTION Tho PROOF and D Pressure Refusing Valve (PRY and Filler Stations colonist the pressure and filter the air delivered fo pneumatic control systems: The PESO RE issued in single pressure: systems; while the PPOO2EY is Used In twoipiresislire systems requiring two independently regulated air pressie stings: SPECIFICATIONS Models: LE FORCEPS: Single-pressure FRY. LU PROSODY Two-pressure RAV Infer Pressure: 4510: 150-98 (310 10.