AC Infinity Ducting Collar, 4" Flange Size:6 in May be used at the

May be used at the first sign of symptoms

and Olympus Up as a sweetener

DNA and vitamins

resulting in an ecosystem in a bottle

or grow fresh herbs right in your kitchen all year long

AC Infinity Ducting Collar, 4" Flange Size:6 in May be used at theA ventilation retrofitting accessory designed to connect ducting to flat surfaces and redirect exhaust to the outside. Each duct collar is made of galvanized steel that can weather extreme temperatures and is finished with a corrosion resistant zinc coating. Its pipe ending features fluted and ridged rims with a raised lip that provides a strong grip on flexible or rigid ducting. The collar end is flat and will lay flush against any flat surface