ZRDR | DIY Aquarium CO2 Regulator Solenoid Valve Bubble Counter CO2 Small Gas Bottle 3-8UNF Fish Tank CO2 Pressure Reducing Valve

DIYCO2 Fish Tank Pressure Reducer Valve1: Miniature one-time carbon dioxide set!2: Made of aluminum alloy, with a sleeve design, very convenient to place!3: Suitable for small fish tanks and tabletop fish tank designs!4: Compact and portable one-time gas cylinder, eliminating the hassle of inflating!5: Single gauge constant pressure transformer design, for observing the pressure of the cylinder!6: Stable pressure output, quick insertion interface design, and can be equipped with a bubble counter and an electromagnetic valve!7: Simple operation, one-time small gas cylinder available for use! Color: GreySize: As shown in the picture (measurement error is within 1 - 2 centimeters)Electromagnetic valve power supply: Input AC 100 - 240 volts, output DC 12 volts (global version)Model: 3-8unf (16 grams) versionModel: 3-8unf-5-8unf (95 grams) version (16 - 95g cylinders can all be used / cylinder connection can replace 3-8/5-8UNF)(Applicable to small carbon dioxide cylinders) Choose the version based on the content of the sales picture. You can determine the version you need to purchase.Note: There is no gas in the cylinder. Due to the inability to transport, the buyer needs to prepare 3 - 8 specification UNF cylinders for connection. The sleeve size is fixed. Those exceeding the bottom size of the sleeve cannot be placed in! Please note! Contents inside the package:A-16G: Pressure gauge + sleeve baseA-16G-EU/US plug: Pressure gauge + sleeve base + bubble meter + solenoid valve (as shown in the sales drawing, it is the EU/US plug)B-16G: Pressure gauge + sleeve baseB-95G-EU/US plug: Pressure gauge + sleeve base + bubble meter + solenoid valve (as shown in the sales drawing, it is the EU/US plug) Note: This product does not include (high-pressure carbon dioxide cylinders. The buyer is responsible for bringing their own).