Roofgoose’s duct clamp is offered in 4- and 6-Inch sizes, constructed of durable long lasting 24 Gauge galvanized sheet metal and is suitable for all gauges of 4 and 6 inch diameter round duct. While the Clamp was designed for vertical installation to support the metal duct going through the roof, we have found that these clamps work well to ridgidly lock round side wall duct terminations. This ensures that the final position is maintained through the siding and roofing process. For Quantities greater then 25 units please contact for Bulk Discounts.



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