Description: 【Efficient】: This Pump-Out/Aerator Combo is designed to easily fill and empty livewell weigh bags during competitions. It allows for convenient water removal from the livewell when your boat is stationary or docked overnight, without the need for additional cables, actuators, electrical connections, or extensive piping systems 【Easy Installation】: Simply attach this Pump-Out and Aerator Combo Valve to any recirculation pump or standard nozzle used with V3 or V4 control valves featuring a "RECIRC" mode. This straightforward installation process ensures you can quickly set up and start using the product 【Double Hose Interface】: The nozzle features two hose interfaces, an inlet connected to the pump and a outlet for attaching a discharge hose that connects to a through hull fitting. This setup facilitates efficient water circulation and aeration within your livewell 【Enhanced Water Circulation】: By pushing in the double position head, water is drawn into the livewell through built in air intakes and a venturi tube within the head, helping circulation of water inside your livewell 【Construction】: Made from quality plastic material, this aeration nozzle measures 16x4.95x7.6cm/6.3x1.95x2.99inch and offers durability while maintaining lightweight for easy handling and long term performance in marine environments Size Chart: 16cmx4.95cmx7.6cm/6.30inchx1.95inchx2.99inch Package Includes: 1 Pump-Out/Aerator Combo Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.