💧 Dive into Precision with Every Bubble! Micro solenoid valve operates at lower temperatures. Easily disassemble for versatile use. Fixed without tools for effortless setup. High accuracy pressure gauge for reliable readings. CGA320 interface for easy integration with gas cylinders. High precision gauge Modular design Low temp operation The Aquarium CO2 Regulator features a dual gauge system with a bubble counter and solenoid valve, designed for optimal performance and ease of use. Its modular design allows for disassembly, while the micro solenoid valve ensures lower temperature operation. With a high precision structure and standard CGA320 interface, this regulator is perfect for aquarium enthusiasts looking to maintain ideal CO2 levels.