RETIRED › This product is no longer available. Some accessories, replacement parts, or services may still be available.
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Prior to June 2008, the CS511 was Sensorex model DO6200. (It is now DO6400.) The 14053 is a replacement part for the old DO6200. The 14053 includes a set of 25 Teflon membranes. These membranes need to be periodically replaced.