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Compression Fittings fit standard taper ground glass joints to hold items such as temperature probes and sampling tubes securely in place.

Compression fittings are manufactured from pure PTFE with a PEEK olive to give a secure grip.

PTFE Plugs are available to seal compression fittings without removing the fitting.

PTFE used in the manufacture of COWIE® Jointware is pure, virgin material which conforms to FDA and USP Class VI requirements.

  • Chemically inert
  • Prevent sticking
  • Grease free
  • Eliminate contamination
  • High vacuum
  • Safety


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