Duct Reducer

Duct Reducer

A duct reducer is an essential component for connecting ducts of different sizes in ventilation and HVAC systems. HONGUAN(Hon&Guan) duct reducers are designed for durability, efficiency, and smooth airflow transitions. Available in multiple sizes and materials, our reducers ensure secure connections and optimize air circulation in residential, commercial, and industrial applications.

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HONGUAN 6 to 4 Inch Duct Reducer – Galvanized Steel Ventilation Adapter for HVAC Systems HONGUAN 6 to 4 Inch Duct Reducer Size Chart – 150mm to 98mm Vent Adapter for HVAC Ducting
4 to 3 Inch Duct Reducer, Galvanized Steel, for 3/4 Inch Ducting HVAC Ventilation System-Black
$14.99 $15.99
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HONGUAN 6 to 4 Inch Duct Reducer – Galvanized Steel Ventilation Adapter for HVAC Systems HONGUAN 6 to 4 Inch Duct Reducer Size Chart – 150mm to 98mm Vent Adapter for HVAC Ducting
6 to 4 Inch Duct Reducer, Galvanized Steel, for 4/6 Inch Ducting HVAC Ventilation System-Black
$18.99 $19.99
PVC duct reducer providing a smooth transition from 8-inch to 6-inch ducts for efficient ventilation. Dimensions of HONGUAN duct reducer with 200mm female spigot and 150mm male spigot, perfect for flexible ducts.
6 to 4 Inch Duct Reducer, PP Material, for Grow Tent, HVAC Ventilation System
$16.99
PVC duct reducer providing a smooth transition from 8-inch to 6-inch ducts for efficient ventilation. Dimensions of HONGUAN duct reducer with 200mm female spigot and 150mm male spigot, perfect for flexible ducts.
8 to 6 Inch Duct Reducer, PP Material, for Grow Tent, HVAC Ventilation System
$18.99
HONGUAN 6 to 4 Inch Duct Reducer – Galvanized Steel Ventilation Adapter for HVAC Systems HONGUAN 6 to 4 Inch Duct Reducer Size Chart – 150mm to 98mm Vent Adapter for HVAC Ducting
8 to 6 Inch Duct Reducer, Galvanized Steel, for 6/8 Inch Ducting HVAC Ventilation System-Black
$23.99
Duct_Reducer_Black_01.jpg HONGUAN 6 to 4 Inch Duct Reducer Size Chart – 150mm to 98mm Vent Adapter for HVAC Ducting
8 to 6 Inch Duct Reducer, Galvanized Steel, for 6/8 Inch Ducting HVAC Ventilation System-Black(Old Model)
$24.99
HONGUAN 6 to 4 duct reducer with galvanized steel construction and included aluminum foil tape for secure HVAC connections. HONGUAN 6 to 4 duct reducer size diagram showing detailed measurements of the 6-inch female spigot and 4-inch male spigot for accurate HVAC installation.
6 to 4 Inch Duct Reducer With Aluminum Foil Tape, Galvanized Steel, for 4/6 Inch Ducting HVAC Ventilation System-Black
$20.99