Kikerike Duct Reducer 6 to 4 in – 150mm to 98mm Air Duct Adapter, Black

Bridge two duct sizes with ease

The Kikerike Duct Reducer is designed to connect a 6 in (150 mm) duct to a 4 in (98 mm) duct, helping you tailor airflow in ventilation layouts from bathrooms to kitchens and utility rooms. Its standardized dimensions support smooth integration into a variety of HVAC setups, making it a practical choice for ongoing maintenance or occasional upgrades.

With a gloss black powder finish over galvanized steel, this reducer offers a clean, modern look while standing up to typical use in both residential and commercial environments. The combination of sturdy metal and a protective coating helps resist wear over time, keeping the connection tight and visually discreet in mixed-use spaces.

Key benefits at a glance

• Size compatibility: converts 6 in to 4 in; standardized dimensions support easy coupling with existing ducts.
• Durability and finish: galvanized steel with a gloss black powder coat for longevity and a sleek appearance.
• Easy installation: simply insert into both ductings and secure with glue, tape, or a steel clip for a reliable seal.
• Versatile applications: suitable for residential, commercial, and industrial ventilation tasks to help guide airflow where needed.

What you get

• 1 piece of 6 to 4 inch duct reducer (150 mm to 98 mm); please note manual measurements may vary by 1–2 mm.
• Design supports straightforward use across a range of ducting configurations without extra adapters.

Usage tips and ideas

For best results, ensure clean connection surfaces, align duct paths, and apply appropriate sealing materials to maintain steady airflow. This reducer is a practical option for routine upgrades or space-conscious installations in both home and light commercial settings.