Buckley’s Hospital Grade Buck Duct Aluminum Silencer is comprised of an all-aluminum perforated core with an open area of 20-25%. The perforated inner duct is enclosed in a 2″ thick fiberglass insulation and is isolated from the airstream by a UL approved seamless polyethylene liner. The outer jacket consists of Triple-Lock Aluminum Flexible Duct that is corrugated with mechanical interlocking seams to form an air tight, flexibal, metal duct. The end fittings are factory installed.
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