Regenerative blowers are ideal for Pond or plate bath aeration, wastewater treatment, vacuum lifting, trim removal, Pneumatic conveying, and dust/smoke removal. Blowers provide oilless, pulse-free air at a very low decibel rating of 58 to 80 DBA). unique internal design channels air into sound-absorbing foam to minimize air noise-most models have sound emissions lower than OSHA requirements. Blowers can be mounted in any plane.