![Amazon.com: Hose Vary 4" Axial Exhaust Fan, 3000RPM 120mm DC12V Dual Ball Bearings Air Exhaust Fume Smoke Extractor Fan Kit for DIY Soldering, 3D Laser, Paint Booth (4" Duct Adapters, Mesh, Dimmer Amazon.com: Hose Vary 4" Axial Exhaust Fan, 3000RPM 120mm DC12V Dual Ball Bearings Air Exhaust Fume Smoke Extractor Fan Kit for DIY Soldering, 3D Laser, Paint Booth (4" Duct Adapters, Mesh, Dimmer](https://m.media-amazon.com/images/I/71xb6OAxzWL.jpg)
Amazon.com: Hose Vary 4" Axial Exhaust Fan, 3000RPM 120mm DC12V Dual Ball Bearings Air Exhaust Fume Smoke Extractor Fan Kit for DIY Soldering, 3D Laser, Paint Booth (4" Duct Adapters, Mesh, Dimmer
![PATIKIL 6" Duct Connector Flange, Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black - Amazon.com PATIKIL 6" Duct Connector Flange, Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black - Amazon.com](https://m.media-amazon.com/images/I/51A0Plm5s3L._AC_UF894,1000_QL80_.jpg)
PATIKIL 6" Duct Connector Flange, Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black - Amazon.com
![Amazon.com: Vent Systems 4'' Inch Duct Connector 3 Way Hose Adapter/Splitter for Hose Y-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent Y Connector - 4 Inch 3 Way Fitting Amazon.com: Vent Systems 4'' Inch Duct Connector 3 Way Hose Adapter/Splitter for Hose Y-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent Y Connector - 4 Inch 3 Way Fitting](https://m.media-amazon.com/images/I/81TLZkaipML._AC_UF894,1000_QL80_.jpg)
Amazon.com: Vent Systems 4'' Inch Duct Connector 3 Way Hose Adapter/Splitter for Hose Y-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent Y Connector - 4 Inch 3 Way Fitting
![Amazon.com: Vent Systems 4'' Inch Duct Connector 3 Way Hose Adapter ABS Plastic/Splitter for Hose T-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 4 Inch 3 Amazon.com: Vent Systems 4'' Inch Duct Connector 3 Way Hose Adapter ABS Plastic/Splitter for Hose T-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 4 Inch 3](https://m.media-amazon.com/images/I/81BsMHtq85L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Vent Systems 4'' Inch Duct Connector 3 Way Hose Adapter ABS Plastic/Splitter for Hose T-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 4 Inch 3
![Vent Systems 10" Inch to 8" Inch Galvanized Steel Duct Reducer - Vent Adapter - Fitting Pipe - Connector, Increaser, Reducer, Cone - HVAC, Ventilation Systems - Amazon.com Vent Systems 10" Inch to 8" Inch Galvanized Steel Duct Reducer - Vent Adapter - Fitting Pipe - Connector, Increaser, Reducer, Cone - HVAC, Ventilation Systems - Amazon.com](https://m.media-amazon.com/images/I/71Sg6KWlcaL._AC_UF894,1000_QL80_.jpg)
Vent Systems 10" Inch to 8" Inch Galvanized Steel Duct Reducer - Vent Adapter - Fitting Pipe - Connector, Increaser, Reducer, Cone - HVAC, Ventilation Systems - Amazon.com
![6 to 4 Inch Duct Reducer, Hon&Guan Duct Adapter 6 to 4 PVC Reducer, Duct Increaser/Reducer for Grow Tent HVAC Ventilation System. (150 to 100mm) - Amazon.com 6 to 4 Inch Duct Reducer, Hon&Guan Duct Adapter 6 to 4 PVC Reducer, Duct Increaser/Reducer for Grow Tent HVAC Ventilation System. (150 to 100mm) - Amazon.com](https://m.media-amazon.com/images/I/41Q03ccHmLL._AC_UF894,1000_QL80_.jpg)
6 to 4 Inch Duct Reducer, Hon&Guan Duct Adapter 6 to 4 PVC Reducer, Duct Increaser/Reducer for Grow Tent HVAC Ventilation System. (150 to 100mm) - Amazon.com
![Vent Systems 6" Inch to 4" Inch Galvanized Steel Duct Reducer with Rubber Gasket - Vent Adapter - Fitting Pipe - Connector, Increaser, Reducer, Cone - HVAC, Ventilation Systems - Amazon.com Vent Systems 6" Inch to 4" Inch Galvanized Steel Duct Reducer with Rubber Gasket - Vent Adapter - Fitting Pipe - Connector, Increaser, Reducer, Cone - HVAC, Ventilation Systems - Amazon.com](https://m.media-amazon.com/images/I/91JSexhPPXL._AC_UF894,1000_QL80_.jpg)
Vent Systems 6" Inch to 4" Inch Galvanized Steel Duct Reducer with Rubber Gasket - Vent Adapter - Fitting Pipe - Connector, Increaser, Reducer, Cone - HVAC, Ventilation Systems - Amazon.com
![4" to 3" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made from Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (Metal, 4 to 3 Inch) - Amazon.com 4" to 3" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made from Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (Metal, 4 to 3 Inch) - Amazon.com](https://m.media-amazon.com/images/I/81xBqb6DV4L._AC_UF894,1000_QL80_.jpg)
4" to 3" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made from Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (Metal, 4 to 3 Inch) - Amazon.com
![Amazon.com: 5'' Inch Duct Splitter to 90° Degree 5" Inch Branch for Exhaust Fan, Dryer Vent Hose - 3 Way Duct Hose Connector, T Shape, T Joint Metal, Ducting Adapter, 5x5x5 Splitter : Appliances Amazon.com: 5'' Inch Duct Splitter to 90° Degree 5" Inch Branch for Exhaust Fan, Dryer Vent Hose - 3 Way Duct Hose Connector, T Shape, T Joint Metal, Ducting Adapter, 5x5x5 Splitter : Appliances](https://m.media-amazon.com/images/I/41I87N0K9ML._AC_UF894,1000_QL80_.jpg)
Amazon.com: 5'' Inch Duct Splitter to 90° Degree 5" Inch Branch for Exhaust Fan, Dryer Vent Hose - 3 Way Duct Hose Connector, T Shape, T Joint Metal, Ducting Adapter, 5x5x5 Splitter : Appliances
![Air Duct Reducer 5" to 4", A-KARCK Round Duct Adapter Galvanized Steel for Inline Ventilation System, Connect Pipe with Duct Fan or Dryer Vent - Amazon .com Air Duct Reducer 5" to 4", A-KARCK Round Duct Adapter Galvanized Steel for Inline Ventilation System, Connect Pipe with Duct Fan or Dryer Vent - Amazon .com](https://m.media-amazon.com/images/I/51HckiB76JS._AC_UF894,1000_QL80_.jpg)
Air Duct Reducer 5" to 4", A-KARCK Round Duct Adapter Galvanized Steel for Inline Ventilation System, Connect Pipe with Duct Fan or Dryer Vent - Amazon .com
![Amazon.com: Vent Systems 6'' Inch Duct Connector 3 Way Hose Adapter/Splitter with rubber gasket for Hose T-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 6 Inch Amazon.com: Vent Systems 6'' Inch Duct Connector 3 Way Hose Adapter/Splitter with rubber gasket for Hose T-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 6 Inch](https://m.media-amazon.com/images/I/71eXSqm6jHS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Vent Systems 6'' Inch Duct Connector 3 Way Hose Adapter/Splitter with rubber gasket for Hose T-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 6 Inch
![Amazon.com: Vent Systems 5'' Inch 45 Degree Duct Connector 3 Way Hose Adapter/Splitter with Rubber Gasket Y-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 5 Inch Amazon.com: Vent Systems 5'' Inch 45 Degree Duct Connector 3 Way Hose Adapter/Splitter with Rubber Gasket Y-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 5 Inch](https://m.media-amazon.com/images/I/81+a0wiRuXS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Vent Systems 5'' Inch 45 Degree Duct Connector 3 Way Hose Adapter/Splitter with Rubber Gasket Y-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 5 Inch
![Amazon.com: 4'' Inch Duct Splitter for Exhaust Fan Dryer Vent Hose 3 Way Duct Hose Connector, Y Shape, Y Joint Metal (4'' Inch, Y Shape) : Appliances Amazon.com: 4'' Inch Duct Splitter for Exhaust Fan Dryer Vent Hose 3 Way Duct Hose Connector, Y Shape, Y Joint Metal (4'' Inch, Y Shape) : Appliances](https://m.media-amazon.com/images/I/41OxU1n+xRL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 4'' Inch Duct Splitter for Exhaust Fan Dryer Vent Hose 3 Way Duct Hose Connector, Y Shape, Y Joint Metal (4'' Inch, Y Shape) : Appliances
![Amazon.com: Vent Systems 4'' Inch Duct Connector 3 Way Hose Adapter/Splitter with rubber gasket for Hose Y-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent Y Connector - 4 Inch Amazon.com: Vent Systems 4'' Inch Duct Connector 3 Way Hose Adapter/Splitter with rubber gasket for Hose Y-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent Y Connector - 4 Inch](https://m.media-amazon.com/images/I/91O0iQe3reL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Vent Systems 4'' Inch Duct Connector 3 Way Hose Adapter/Splitter with rubber gasket for Hose Y-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent Y Connector - 4 Inch
![Amazon.com: Vent Systems 4'' Inch T Shape Duct Connector 3 Way Hose Adapter/Splitter For Hose T-shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 4 Inch 3 Amazon.com: Vent Systems 4'' Inch T Shape Duct Connector 3 Way Hose Adapter/Splitter For Hose T-shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 4 Inch 3](https://m.media-amazon.com/images/I/616kjUJUBWL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Vent Systems 4'' Inch T Shape Duct Connector 3 Way Hose Adapter/Splitter For Hose T-shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 4 Inch 3
![PATIKIL 5 to 4 Inch Duct Reducer, Galvanized Steel Air Ducting Pipe Vent Hose Reducer Increaser Round Dryer Ventilation Coupler for HVAC Duct Fan Dryer Vent Chimney - Amazon.com PATIKIL 5 to 4 Inch Duct Reducer, Galvanized Steel Air Ducting Pipe Vent Hose Reducer Increaser Round Dryer Ventilation Coupler for HVAC Duct Fan Dryer Vent Chimney - Amazon.com](https://m.media-amazon.com/images/I/61xNBKPMTAL._AC_UF894,1000_QL80_.jpg)
PATIKIL 5 to 4 Inch Duct Reducer, Galvanized Steel Air Ducting Pipe Vent Hose Reducer Increaser Round Dryer Ventilation Coupler for HVAC Duct Fan Dryer Vent Chimney - Amazon.com
![Amazon.com: MyLifeUNIT 3 Way Duct Connector, Duct Splitter for Exhaust Fan Dryer Vent Hose, 4 Inch Dia. (Y Shape) : Appliances Amazon.com: MyLifeUNIT 3 Way Duct Connector, Duct Splitter for Exhaust Fan Dryer Vent Hose, 4 Inch Dia. (Y Shape) : Appliances](https://m.media-amazon.com/images/I/41MxEBmKlTL.jpg)
Amazon.com: MyLifeUNIT 3 Way Duct Connector, Duct Splitter for Exhaust Fan Dryer Vent Hose, 4 Inch Dia. (Y Shape) : Appliances
![HVAC OV Metal 3 Way 45° Degree Wye Shape Duct Connector - 4 Inch Fit - for Dryer Vent, Extractor Fan, Duct/Hose Connection Gray - Amazon.com HVAC OV Metal 3 Way 45° Degree Wye Shape Duct Connector - 4 Inch Fit - for Dryer Vent, Extractor Fan, Duct/Hose Connection Gray - Amazon.com](https://m.media-amazon.com/images/I/61Ezb7Y1fkL._AC_UF894,1000_QL80_.jpg)
HVAC OV Metal 3 Way 45° Degree Wye Shape Duct Connector - 4 Inch Fit - for Dryer Vent, Extractor Fan, Duct/Hose Connection Gray - Amazon.com
![Amazon.com: Y Shape Metal 3 Way Duct Hose Connector, Duct Splitter for Exhaust Fan Dryer Hose, Y Joint (4'' Inch, Y- Shape) : Appliances Amazon.com: Y Shape Metal 3 Way Duct Hose Connector, Duct Splitter for Exhaust Fan Dryer Hose, Y Joint (4'' Inch, Y- Shape) : Appliances](https://m.media-amazon.com/images/I/81q97Jbia2L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Y Shape Metal 3 Way Duct Hose Connector, Duct Splitter for Exhaust Fan Dryer Hose, Y Joint (4'' Inch, Y- Shape) : Appliances
![A-KARCK Air Duct Reducer 7" to 6", Round Duct Adapter Galvanized Steel for Inline Ventilation System, Connect Pipe with Duct Fan or Dryer Vent - Amazon .com A-KARCK Air Duct Reducer 7" to 6", Round Duct Adapter Galvanized Steel for Inline Ventilation System, Connect Pipe with Duct Fan or Dryer Vent - Amazon .com](https://m.media-amazon.com/images/I/51EJX0jxmZL._AC_UF894,1000_QL80_.jpg)
A-KARCK Air Duct Reducer 7" to 6", Round Duct Adapter Galvanized Steel for Inline Ventilation System, Connect Pipe with Duct Fan or Dryer Vent - Amazon .com
![A-KARCK Air Duct Reducer 6" to 4", Round Duct Adapter Galvanized Steel for Inline Ventilation System, Connect Pipe with Duct Fan or Dryer Vent - Amazon .com A-KARCK Air Duct Reducer 6" to 4", Round Duct Adapter Galvanized Steel for Inline Ventilation System, Connect Pipe with Duct Fan or Dryer Vent - Amazon .com](https://m.media-amazon.com/images/I/51+eRfBDv3L._AC_UF894,1000_QL80_.jpg)
A-KARCK Air Duct Reducer 6" to 4", Round Duct Adapter Galvanized Steel for Inline Ventilation System, Connect Pipe with Duct Fan or Dryer Vent - Amazon .com
![PATIKIL 3" Duct Connector Flange, 4 Pack Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black - Amazon.com PATIKIL 3" Duct Connector Flange, 4 Pack Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black - Amazon.com](https://m.media-amazon.com/images/I/610oB1iJMHL._AC_UF894,1000_QL80_.jpg)
PATIKIL 3" Duct Connector Flange, 4 Pack Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black - Amazon.com
![Amazon.com: 6'' Inch Duct Splitter to 45° Degree 6" Inch Branch for Exhaust Fan, Dryer Vent Hose - 3 Way Duct Hose Connector, Wye Shape, Ducting Adapter, 6x6x6 Splitter : Appliances Amazon.com: 6'' Inch Duct Splitter to 45° Degree 6" Inch Branch for Exhaust Fan, Dryer Vent Hose - 3 Way Duct Hose Connector, Wye Shape, Ducting Adapter, 6x6x6 Splitter : Appliances](https://m.media-amazon.com/images/I/319V4dkGkmL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 6'' Inch Duct Splitter to 45° Degree 6" Inch Branch for Exhaust Fan, Dryer Vent Hose - 3 Way Duct Hose Connector, Wye Shape, Ducting Adapter, 6x6x6 Splitter : Appliances
![Amazon.com: Vent Systems 6'' Inch Duct Connector 3 Way Hose Adapter/Splitter for Hose T-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 6 Inch 3 Way Fitting Amazon.com: Vent Systems 6'' Inch Duct Connector 3 Way Hose Adapter/Splitter for Hose T-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 6 Inch 3 Way Fitting](https://m.media-amazon.com/images/I/71o58gJr+LS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Vent Systems 6'' Inch Duct Connector 3 Way Hose Adapter/Splitter for Hose T-Shape Round Pipe Connector- Extractor Fan - Duct Hose Dryer Vent T Connector - 6 Inch 3 Way Fitting
![Amazon.com: T Shape 4 Inch Metal 3 Way Duct Hose Connector, Duct Splitter for Exhaust Fan Dryer Vent Hose, T Joint (4'' Inch, T- Shape) : Appliances Amazon.com: T Shape 4 Inch Metal 3 Way Duct Hose Connector, Duct Splitter for Exhaust Fan Dryer Vent Hose, T Joint (4'' Inch, T- Shape) : Appliances](https://m.media-amazon.com/images/I/41RVSzkJMZL._AC_UF894,1000_QL80_.jpg)