This product is no longer available and has been replaced by: 33384. Some accessories, replacement parts, or services may still be available.

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The 26511 is a set of two small bottles filled with desiccant/scrubber chemicals to remove CO2 and water vapor from the inside of the sensor head. These bottles are specific to the EC155 gas analyzer and should be replaced annually or if zero-and-span readings have drifted excessively.

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