Monsoon Hardline Premium O-rings， Black， 10-pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>For use with Monsoon Hardline compression fittings</li><li>Premium Silicone</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Mrzo1H0KL.jpg" noproxy>