Check the listing for details. Air Dryer, SS1200P WABCO, Ref: R955300, 170.955300, System Saver. Condition: New. Listed at 145.00 USD. Brand New System Saver 1200 air Dryer Replaces Meritor Wabco R955300, R955079, R955315, R955082, 4324210090, 4324210337, 4324210257, 4324210247, 4324210487, 4324210157Fit: Volvo, Freightliner, Kenworth, Peterbilt, International, Western Star Trucks.Specifications: Supply 1/2" - 14 NPT, Delivery 1/2" - 14 NPT, Control 1/4" - 18 NPT. Air Dryer Model: System Saver 1200PFor use in standard air -brake applications on truck, tractors, and busesUses an external purge tank for desiccant regenerationSpin-on desiccant cartridgeOperating Temperature Range: -40°F to +175°F (-40°C, 80°C)100 watt / 12 volt DC heater elementThermostat Range: On-Temp - 45°F, Off-Temp - 86°F (7°C, 30°C)Discharge Line Dia: 1/2" ID minimumDischarge Line Length: Sufficient length to keep temperature at dryer inlet below 175°F (80°C)Max Pressure: 140 psiMin Governor Cut-Out Pressure: 115 psiHeight: 11.2" (284mm)Width: 8.2" (208mm)Projection From Frame: 5.7" (145mm)Desiccant Volume: 1200 cc