The silencer shown can handle flows from 1600 to 2500 CFM.  It has an 8" inlet connection and weighs just 85 pounds.  It is provided with convenient carry handles on each side and tubing feet to provide a stable base.  Wheels can be added to the tubing bases if desired.

The unit measures 15" diameter X 42" long and is manufactured using all stainless steel materials and is provided with mineral wool silencing materials.  It can reduce ventilator noise levels by as much as 40%.