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Water Changing

Shut Off Inline (Check Valve) Subminiature Couplings


Ideal for vacuum or pressure. Delrin Acetal with Burna-N seals. Single side shut-off models(Check Valve). Will withstand up to 100 psi, 25 mercury vacuum, and operating temperature -45°F to 180°.

USDA and FDA approved. Sealed with a twist; replaceable O-rings eliminate leaks.

Miniature size for low-profile CO2 and Kalkreaktor applications.

Barb size for 1/4 inch airline tubing.

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  • Model: SM1687
  • Manufactured by: Spears® Mfg.

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