High-Pressure Vortex Ring Regenerative Blower for Sewage Aeration Aquarium Fish Pond Oxygenation Phase Side Blower Phase,Our high pressure blower is equipped with copper coil high efficiency motor, cold-rolled silicon steel core and high temperature sealing bearing, effectively reduce working temperature rise and guarantee the sustainability of operation. The precision clearance between the cavity and impeller makes the air medium stable with pressure output. Advantages: - The air duct port is equipped with a filter barrier - 100% copper coil - fireproof and corrosion-resistant, never rust - The air duct has a built-in silencer sponge. Specification: -Name: Industrial vacuum pump -Material: aluminum -Color: silver -Voltage: 380V(three-phase) -Motor speed: 2800rpm/min -Power: 250W/350W/550W/750W/1100W/1500W -Airflow: 48/50/85/100/145/210 -Weight: 9/10/15/19/20/26 -Installation method: horizontal or vertical installation. Packing list: 1*High-pressure regenerative blower. Excellent Service: As a professional international seller, customer satisfaction is our top priority. If you have any questions about our products, please contact us via email. We will respond as soon as possible.