Bk6008 Three Lobe Roots Blower 20dB Roots Blower Acoustic Enclosure

What is difference between twin lobe and tri lobe blower?
A twin lobe blower contains two figure 8 shaped lobes while a tri-lobe blower consists of three lobes shaped like a boat propeller. Tri-lobe blowers are considered much less noisy than twin lobe blowers because the three lobe blower design allow for lower pulsation levels and reduced noise.

What is the function of root blower?
Roots blowers are used to aerate raw sewage and industrial organic waste. The aeration drives the digestion of the waste by microorganisms. Roots blowers are also used for grit tank cleaning, filter flushing, backwashing and the recovery of gases. Oil-free roots blowers are used for deep cell aeration.