

The 3 x 4 Reducer Coupling (Part Number: 230-TC34) is essential for joining two pieces of SpeediChannel™ with different sizes. This Reducer Coupling is sized at 3" x 4", ensuring a precise fit. It comes complete with stainless steel screws for secure installation. Compatible with various SpeediChannel™ models, the coupling is a high-quality solution for ductwork transitions.