1. This Aquarium 3 way Connector is used for aquarium air oxygen pump fitting, providing a reliable connection between tubes for the flow of air, oxygen, water, and more. It's made from non-toxic plastic, safe for use in any aquatic environment. 2. The Aquarium 3 Way Connector is designed to ensure a secure and leak-free connection between tubes, providing a continuous flow of air and oxygen to your aquarium. 3. To use the Aquarium 3 Way Connector, simply attach it to the desired tubing, whether it's for air pumps, oxygen pumps, or water circulation, and secure it in place for a hassle-free setup. Its three-way design allows for convenient branching of tubing, making it easier to customize the flow of air and water within your aquarium.