Thermaltake CL-W086-CU00SL-A Pacific G1/4 Pressure Equalizer Stop Plug with O-Ring Chrome<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Release excess air or pressure in your pump</li><li>Leak-free Design: Includes one preinstalled O-ring and allows proper connection to G1/4" thread， securing properly to any cooling components</li><li>Remarkable Expansion: Full line of Pacific Series components for enthusiasts to build up aesthetically-superior water cooling systems</li><li>2 Year Warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31rmaylqzSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51bouWKw1KL.jpg" noproxy>