DC CO2 Solenoid Valve for Aquarium CO2 System Magnetic Regulator for Aquarium, Fish Tank, Water, Plants, Herbs, Growing - Easy to Install

12V DC power input, safer than AC input. No buzzing (AC models may have a prolonged buzzing noise). Low power consumption, low temperature, no heating.Locking nuts for CO2 hose connection, anti-drop and good sealing. No leakage.Suitable for 6mm hoses (4mm inner diameter and 6mm outer diameter).It can be used for DIY aquatic CO2 systems and can also be used in CO2 tank systems.Do not connect this solenoid directly to a high-pressure CO2 tank. It must be installed after the regulator or used in a DIY CO2 system. Operating pressure less than 120 psi.