3 Way Duct Connector, Duct Splitter for Exhaust Fan Dryer Vent Hose, 4 Inch Dia. (Y Shape) The duct connector is a three-hole connector with two branches. With the dryer vent hose it can be connected to exhaust fans, dryer vent covers and vent seals. Made of premium ABS plastic, it is a material with high strength, good toughness and easy processing, no heavy metals. It can be used outdoors and indoors, even if it is exposed to the sun and rain. The interior of the duct splitter is smooth, and its reasonable curvature greatly reduces the wind resistance. At the same time, it can discharge air from each part in the ventilation project. The dryer duct connector is seamlessly connected to achieve a good leakproof effect. Don't worry about leaking air after installation. It is small in size, so it doesn't take up space. Measures it has a diameter of 95 mm (3.7 inch) per interface, suitable for hoses of 100 mm (4 Inch). Wipe the tee when using it, then dock it with the hose and fix it with aluminum foil tape. Finally, install the clamp and tighten the screw. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.