CS/SS centrifugal blower system Houston-Texas with Rotary Lobe GAS pump, mfd by Roots, serial # 50289 RP71, Type Wispair. Inlet temp 135 deg F, inlet air 1758 icfm, inlet pressure 14.70 psia, discharge pressure 23.90 psia @ 516 rpm Inlet nozzle 12", outlet nozzle 10". Arrangement: horiz case CS, impellor 304SS. W/Carbone ring air seal. 1. silencer: model SDS-10, part # 58-310-AZ, serial # 11018-92-2 2. silencer: model RISY-10, part # 54-210-FH, serial # 11018-92-2 Motor data: 460V/191A/60HZ/1191 rpm, mfd by W/Marathon, model 150 HP # XD 449TTFS6589 AN V-belt driven. System includes cooling air tower, model AA-2000-10, serial # 392-B2827-1, mfd by Xchanger Inc. Hopkins-Minnesota.