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Galvanized 8in to 4in duct reducer for HVAC vents
✔️ Heavy-duty galvanized steel, single-piece adapter for 3.89in to 7.83in ducts

This heavy-duty galvanized steel duct reducer/increaser is designed to join round ducts for HVAC, dryer vents, bathroom ventilation, kitchen hoods, and exhaust fans. It accepts solid or flexible ducting and installs quickly with a push-fit method, making it ideal for both DIY projects and professional installations.

✅ Small-end outer diameter: 3.89 in
✅ Largest-end outer diameter: 7.83 in
✅ Overall depth: 5.35 in
✅ Transition length in middle: 2.56 in
✅ Material: galvanized steel for rust resistance

💡 What is a duct reducer used for in HVAC systems, and why choose a galvanized steel adapter?

Short answer: - It helps connect ducts of different sizes without leaks - Galvanized steel offers corrosion resistance for humid spaces - Push-fit design speeds up DIY or professional installs - Compatible with solid and flexible ducting across rooms