Rotron MD 101 magnetic-drive regenerative blowers are designed to boost natural gas in furnaces for manufacturing operations. These hermetically designed seal-less blowers have been engineered for continuous operation and extended service life. Blowers are clean, oil-free, and quiet (within OSHA standards). They can achieve maximum flows up to 29 SCFM; pressures up to 25 IWG; and vacuums up to 23 IWG. Voltage is 115 Vac with 24 Vdc option.