BUILD: Featuring a non-threaded, all-black plastic construction, this reducer fitting was designed for durability and made to withstand the wear and tear often associated with woodworking dust extraction.
5” to 4” Reducer 70170 Duct Reducer U4G86306
150mm to 100mm Reducer, 150 to 100 Reducer, 6" to 4" Reducer for ducting
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5 Inch to 4 Inch Duct Reducer Increaser Galvanized Steel Air Duct Adapter9935
150-100mm reducer, plastic ducting, extractor fan 6" to 4" flexible duct reducer
