4 to 3 Inch Duct Reducer Kit
4.3 (21 items)
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Product details
| Management number | 213617116 | Release Date | 2026/04/12 | List Price | $36.00 | Model Number | 213617116 | ||
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- 【APPROPRIATE SIZE】: On one side there is a 99mm Female Spigot（inner:98mm） - Will fit into 4'' dust collection hose/4 inch fan. On the other side there is a 74mm(inner:73mm) Male Spigot - Will fit into 3 inch duct/exhaust fan.
- 【DURABLE MATERIAL】: 4 inch to 3 inch duct reducer made of galvanized steel, which is stronger and more resistant to high temperatures than ordinary plastic or pvc duct reducer, and is suitable for dryer vent environments.
- 【WIDELY APPLICATION】: 4in to 3in duct reducer designed for widely used, such as air-cooled hoods, garage, attic, bathroom kitchen extractor fan, hydroponics and HVAC ventilation systems, plastic rigid ducting is perfect for DIY and trade use.
- 【Excellent Airflow】Hon&Guan 4 inch roof vent with backdraft damper still have an airflow of UP TO 75%, while other products on the market have an airflow of less than 50% and poor ventilation
- 【Corrosion Protection】High-quality galvanized steel to ensure durability and long-lasting use. The high-performance polyester powder coating has strong corrosion resistance and excellent corrosion protection
Ducting
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