5 Inch To 4 Inch Duct Reducer Galvanized Steel Increaser For Inline Fans Grow Tents Ventilation And Dust Collection Black Built Tough With 125mm Female Spigot And 98mm Male Spigot Fits 5 Inch To 4 Inch Duct

5 Inch to 4 Inch Duct Reducer in Galvanized Steel
✔️ 125mm female to 98mm male; inner 123/96mm, black

This galvanised steel duct reducer connects a 5 inch duct to a 4 inch duct, ideal for inline fans, dust collection setups, grow tents, and DIY ventilation projects. Built to handle heat and airflow, it’s tougher than plastic reducers and designed for durable, tool-free installation with included clamps for a tight seal.

✅ 5in to 4in duct reducer, galvanized steel, black finish
✅ 125mm female (inner 123mm) to 98mm male (inner 96mm)
✅ No tools required for installation; clamps included for tight connection
✅ Heat resistant and durable for dryer vent and high airflow environments
✅ Compatible with 4in and 5in ducting and inline fans for dust collection and grow tents

💡 What is a galvanized steel duct reducer used for in ventilation and dust collection systems? Here's a handy answer:

- Helps connect 5 inch to 4 inch duct runs without replacing sections - Resists heat and moisture better than plastic options, extending life - No tools needed for basic installation; clamps for a tight fit