Features: Our 4 inch dryer duct connector is practical to help complete your ventilation system and exhaust the air in the parts of the ventilation project, can be applied indoor and outdoor, reliable and sturdy to serve you for a long time. The duct splitter for exhaust fan is easy to use and ideal for home, kitchen, bathroom, factory, buildings, gymnasium, supermarket, hall, underground garage, theater and other places. Specifications: Material: galvanized sheet Color: silver Size: about 4 inches in hole diameter Package includes: 1 x Y shaped 4 inch duct connector Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.