High-Pressure Vortex Ring Regenerative Blower for Sewage Aeration Aquarium Fish Pond Oxygenation Phase Side Blower Phase,This high pressure regenerative blower features a copper coil high efficiency motor, cold-rolled silicon steel core, and high temperature sealing bearing, effectively reducing working temperature rise and ensuring sustainable operation. The precision clearance between the cavity and impeller provides stable air output. Advantages: air duct port with filter barrier, 100% copper coil, fireproof and corrosion-resistant, never rust, built-in silencer sponge in air duct. Specification: Name: Industrial vacuum pump, Material: aluminum, Color: silver, Voltage: 380V (three-phase), Motor speed: 2800 rpm, Power: 250W/350W/550W/750W/1100W/1500W, Airflow: 48/50/85/100/145/210 CFM, Weight: 9/10/15/19/20/26 kg, Installation: horizontal or vertical. Package includes: 1 high-pressure regenerative blower. Excellent service: customer satisfaction is our priority. Contact us via email with any questions.