AC Infinity Ducting Collar, 4-Inch, Galvanized Steel AIR FILTER BOXES | 1 lb per 4

| 1 lb per 4

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Thanks to its dual tumblers and side-by-side design

AC Infinity Ducting Collar, 4-Inch, Galvanized Steel AIR FILTER BOXES | 1 lb per 4Description Steel Ducting Flange: This ducting flange is designed to be used with applications such as tumble dryers, bathroom fans and range hoods. The flange boasts crimped rims and a raised lip on the duct opening, improving grip on ducting. Design Features: The design includes a flat brim that lays flush against all flat surfaces, creating an airtight seal to keep particles out. Made of galvanized steel, the flange is not only corrosion resistant