Aquarium CO2 Bubble Counter with Built-in Check Valve for CO2 Generator Regulator, Single Head
Screw connection, compatible with many CO2 needle valves. Easy to set up.
Built-in high-quality check valve to prevent back-siphoning. The bubble counter is designed to accurately monitor air-flow rate, it helps to keep and maintain a healthy aquarium.
DURABLE: Both ends are made of aluminum alloy to avoid softening or breaking; The middle transparent cylinder is made of PC, injection molding mode, more robust, safer and more pressure-resistant than acrylic or other materials.
It needs to be filled ¾ with water before use. Compatible with 4/6mm (3/16" inner diameter) Co2 tubing.
Quality inspection, rather than random inspection! We are serious about quality control and buyer experience! If there are any questions, suggestions or ideas, please feel free to contact us.
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- You can return a product for up to 30 days from the date you purchased it.
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