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CO2 Check Valve by Dennerle

A very high-quality German CO2 check valve for freshwater or marine applications. A mid-level & mid-priced, quality check valve between the Metallic and the Plastic units. Takes 4/6 mm (ID/OD) or 1/8" airline tubing.

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Excellent and has been dependable

Installation and Operation Installs very simply, insert tubes and tighten fittings. Make sure you install it in the correct direction.

Performance vs. Expectations Performed much better than expectations

Value for money Has worked as well as my other check valve from German Air Pressure Systems, which is brass and supposedly the best

Liked about it Cost and reliability.

Didn't like No mount to hold it

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By Fat Tony
Sep 17, 2009
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