220V G5/8 Aquarium CO2 Regulator Check Valve Bubble Counter Magnetic Valve Regulators

Features: 1. Dual Big Gauge, accurate control of pressure in and out. 2. Made of hard aluminum alloy, surface spraying treated. 3. Fine tuning knob with knurl. 4. Bubble Counter And Tools Included. Together with bubble counter, you can read your co2 flow rate. 5. Bubble counter with check valve function, stop water backflow to bottle. Specification: Name: CO2 Regulator Material: Aluminum alloy + acrylic Material: Hard aluminum alloy Color: Silver;Blue Cable length:about 1.4m Connector: G5/8 Voltage: 220V Package Included 1 x Double Display Valve Gauge 1 x 220V Us Standard Solenoid Valve 1 x Fine-Tuning Valve 1 x Bubble Counter with Check Valve Fucntion 2 x Install Tools