The Exclusive Double-wall Zero Clearance models utilize 3.25” of a unique bigger density ceramic fiber insulation in between the inner liner and outer jacket. These Zero Clearance styles will also be a two-hour fireplace-rated-resistant enclosure/duct assembly.   Condensate Canopies: Suitable for kitchens with superior condensation degrees, these canopies collect and https://greasetightextractductwor69911.ttblogs.com/16763012/commercial-kitchen-extract-systems-an-overview