The POWERTEC 4-Inch to 3-Inch reducer designed to transition 4-Inch to 3-Inch diameters. It allows use of 3-Inch duct to 4-Inch hose. Made of tough, dural ABS plastic material. Simple to install, use and uninstall for the utmost in ease, performance and reliability.
. Connect 3-Inch opening duct to 4-Inch flexible hose
. Transition 3-Inch duct to 4-Inch standard hose
. Tough, durable ABS plastic material
. 4-Inch nominal end measures 3-15/16-Inch O.D. and 3-45/56-Inch I.D.
. 3-Inch nominal end measures 2-63/64-Inch O.D. and 2-23/32-Inch I.D.
WARNING: This product can expose you to chemicals including Acrylonitrile, Styrene which are known to the State of California to cause cancer and Butadiene which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov