Pentair 071442Z Channel O-Ring With Red Line Replacement Kit Pool and Spa Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Channel o-ring with red line replacement kit</li><li>Fits Pentair SM &amp; SMBW 2000 Series pool and spa stainless steel filters</li><li>Also fits Pentair Nautilus Plus pool and spa stainless steel filters</li><li>Measures 10-inch length by 12-inch height by 3-inch width</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31A7qVnveaL.jpg" noproxy>