The Gast R2103NX Regenerative Blower is used for high volume vacuum or compressed air applications. Used in a wide range of applications including sewage aeration and aquaculture. The R2103NX TEFC electric motors are UL and CSA approved with permanently sealed ball bearings. The Gast Regenerative Blowers have a rugged construction for quiet, durable, and efficient operation. The Gast R2103NX series blowers are high quality, low maintenance units. The R2 can be mounted in any plane, which provides flexibility when mounting or integrating the blower into an OEM system. In addition, these blowers have very few moving parts and no wearing components, which minimize downtime and helps to lessen operating noise levels. Gast R2103NX Regenerative Blowers have a maximum air flow 42 CFM (60 Hz), 33 CFM (50 Hz), maximum pressure of 39" H2O (60 Hz), 30" H2O (50 Hz), and maximum vacuum of 35" H2O (60 Hz), 25" H2O (50 Hz). The R2103 has a power rating of 1/3 - 1/2 hp.