NALGENE® 6120 Check Valve and Positive Connector, high-density polyethylene; silicone diaphragm
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nalgene® 6120 check valve and positive connector, high-density polyethylene; silicone diaphragm
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NALGENE® 6120 Check Valve and Positive Connector, high-density polyethylene; silicone diaphragm
Useful for vacuum systems. Works best between 10 to 28 inch Hg. Prevents back pressure with aspirator-type vacuum pumps. Can be taken apart for cleaning. Available in one size with ¾ inch long tubing connectors which fit ¼ inch through 5/16 inch ID tubing. Not for use with liquids.