The Master Flow 5-1/2 in. x 20 in. Flex Duct Support offer greater support to flexible duct not to sag over long runs. The support has slots at either end to accept metal hanger strap for ease of hanging. The wider support provides better load distribution to support the flex duct. It is constructed of galvanized steel.
- Galvanized steel construction
- Better load distribution to support flex duct
- Greater support not to sag over long run
- Easy to install with metal hanger strap and nails or screws (sold separately)













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