https://www.mccoys.com/shop/p/0198390-052303-37/dundas-jafine-inc34ezw-duct-increaser-3-to-4-in-connection-plastic
INC34EZW Duct Increaser, 3 to 4 in Connection, Plastic
Sku: 0198390-052303-37
$4.18
27 Available at
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Estimated Arrival On: 12/26/2025
Vent Increasers:Dundas Jafine INC34EZW Duct Increaser
Dundas Jafine's plastic duct to duct increaser connects two ducts together, allowing you to increase your 3 in duct to a 4 in duct size. This product is ideal for bathroom fan exhaust applications.
- Connects 3 to 4 in ducts together
Connection Size
3 to 4
Material
Plastic
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