REGENERATIVE BLOWER MODEL RT-4019/RT-1900 (60 Hz) Documents - No Documents - Manufactured in Taiwan For industrial applications Quiet operation. dB(A) within OSHA standards Part of Tiger-Vac's regular, in-stock line of products. Specifications Part #PowerMaximum AirFlowMaximum VacuumRecommended VRV settingVoltage @60hzPhase212748A1.9 kW / 2.5 HP 148 CFM / 250 m3/H140" H2O110" H2O230/460V3212748B1.9 kW / 2.5 HP 148 CFM / 250 m3/H140" H2O110" H2O575V3Part #AmpsRPMWeight (Motor + Blower)Capable of Vertical Mounting212748A7/4345058 lbsYes212748B2.6345058 lbsYes Performance Grid