MSR HyperFlow Maintenance Kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Small check valve， large check valve， replacement piston o-ring， replacement Quick Connect Bottle Adapter o-ring</li><li>O-ring installation tool， o-ring removal tool (jet and cable tool)， silicon lube， instructions</li><li>Services MSR Hyperflow water microfilter</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TTVvc8vGL.jpg" noproxy>