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This Spectre 4-inch to 3.5-inch PVC coupler reducer is a three-inch length connector designed to adapt a 4-inch outside-diameter tube to a 3.5-inch tube. Made from blue PVC and supplied with two stainless steel worm-gear hose clamps, it simplifies transitions in custom intakes. The reducer is intended for non-pressurized intake plumbing and provides a finished connection for routing and assembly tasks.
Spectre Coupler/Reducer 4in. to 3.5in. (PVC) - Blue
