Product Review

The POWERTEC 70170 allows you to reduce from a 5-inch main line to 4-inch branch lines, or from a machine with 5-inch O.D. port to a 4-inch standard dust collection hose. The step-down greatly increases the air velocity and peak efficiency of your dust collection system. The 4" end is tapered and measures 3-15/16-inch at the opening O.D. 5-inch end measures 4-15/16-inch on the O.D. Made of durable ABS material, weighs 5.6 ounces. Simple to install, use and uninstall, providing the utmost ease in performance and reliability. Measured Dimensions: Nominal end: 5" (4-57/64" tapered O.D. and 4-11/16" I.D.) Nominal end: 4" (3-15/16" tapered " O.D. and 3-11/16" I.D.).