![DUNDAS JAFINE INC34EZW Duct Increaser, 3 to 4 in Connection, Plastic [SKU: ORG0198390]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/38001/36591/0198390__33049.1683070561.jpg?c=1 "DUNDAS JAFINE INC34EZW Duct Increaser, 3 to 4 in Connection, Plastic [SKU: ORG0198390]")
![DUNDAS JAFINE INC34EZW Duct Increaser, 3 to 4 in Connection, Plastic [SKU: ORG0198390]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/38001/36591/0198390__33049.1683070561.jpg?c=1 "DUNDAS JAFINE INC34EZW Duct Increaser, 3 to 4 in Connection, Plastic [SKU: ORG0198390]")
Product Overview
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. [QTY/UOM: 1CD / 1CD] [PMS SKU: ] [Category: VENT PIPE & ACCESSORIES/DRYER VENT KITS;Shop All]
![DUNDAS JAFINE MFX48D2DZW Dryer-to-Duct Connector Kit, Aluminum/Plastic [SKU: ORG0198846]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/38008/36598/0198846__95469.1683070565.jpg?c=1 "DUNDAS JAFINE MFX48D2DZW Dryer-to-Duct Connector Kit, Aluminum/Plastic [SKU: ORG0198846]")
![DUNDAS JAFINE FDC4XZW Duct Connector, 4 in Union, Aluminum [SKU: ORG0198077]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/38006/36596/0198077__09337.1683070564.jpg?c=1 "DUNDAS JAFINE FDC4XZW Duct Connector, 4 in Union, Aluminum [SKU: ORG0198077]")
![DUNDAS JAFINE LC4WX Intake Cap, 4 in Duct, White [SKU: ORG0198366]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/38045/36635/0198366__94884.1683070583.jpg?c=1 "DUNDAS JAFINE LC4WX Intake Cap, 4 in Duct, White [SKU: ORG0198366]")
![DUNDAS JAFINE E4E24ZW Vent Elbow, 4 in Connection, Aluminum [SKU: ORG0197798]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/38048/36638/0197798__75996.1683070585.jpg?c=1 "DUNDAS JAFINE E4E24ZW Vent Elbow, 4 in Connection, Aluminum [SKU: ORG0197798]")
![DUNDAS JAFINE ProMax PMC4BLKX Exhaust Cap, 4 in Duct, Black [SKU: ORG0199091]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/38034/36624/0199091__23461.1683070578.jpg?c=1 "DUNDAS JAFINE ProMax PMC4BLKX Exhaust Cap, 4 in Duct, Black [SKU: ORG0199091]")