Aquarium Diy Co2 Regulator Kit With Valve & Bubble Counter. Introducing Our Advanced CO2 Production Equipment, Crafted for Maximum Efficiency and Reliability. Built with High-quality Aluminum Alloy and 304 Stainless Steel, This Device Ensures Long-lasting Performance. Its Innovative Design Includes Both Side and Upward-facing Cylinder Nuts for Exceptional Versatility and Ease of Use. Compatible with a Variety of Threaded Interfaces Such As W21.8, G5-8, CGA320, and M22, It Smoothly Integrates with Your Existing Setup. Key Features: - Durable Construction: Made with Premium Materials for Extended Longevity. - Versatile Compatibility: Supports Multiple Threaded Interfaces for Easy Integration. - Universal Power Supply: Features AC100-240V Input and DC12V Output, Suitable for Global Use. - Voltage Options: Works with Both 110V and 220V Systems. - Plug Variety: Comes with EU, US, UK, and AU Plug Types for Added Convenience. For Best Results, Ensure Secure Threaded Connections and Activate the Solenoid Valve Before Adjusting Air Pressure. Reach out to Us for Any Assistance..