Aquarium CO2 Dual Port Solenoid Valves Low Temperature System Regulator Electric Magnetic Automatic Pressure Reducing Description: 100% brand new and high quality Features: The product and the lamp are linked together by a timer to realize automatic switching of CO2 with the lamp, which is more convenient and labor-saving. Almost all CO2 systems that use tracheal ventilation are suitable, and are suitable for low-pressure carbon dioxide systems. The nut locking system is designed to effectively lock the CO2 gas pipe to prevent accidents caused by loosening. This solenoid valves is a low-temperature solenoid valves, stable, durable, and easy to install. High-quality power cord, "anti-shock" plug, safe and durable, low power consumption. Specification: Type: Aquarium Solenoid Valves Material: Metal Applications: for Aquarium Fish Tank Water Plant Features: Aquarium Solenoid Valves, System Regulator, Electric Magnetic, Pressure Reducing Valves Dimension: app.13x13x5.5cm/5.12x5.12x2.17in Plug specification: US, EU (optional) Color: Black+silver Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x Aquarium Solenoid Valves