FrostyCool Low Side Piercing Valve Assembly

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Piercing valve assembly provides a means of charging air-conditioning units, domestic refrigerators and freezers which do not have a low side service port. 

Kit includes all the components necessary to install a low side service port for air-conditioning systems. 

Installs on low side and fits 1/4”, 5/16, and 3/8 suction lines.

This low side service port kit is not for automotive use and is not for installation on the high side of the system.