Hayward CX900DA Knob Kit Replacement for Hayward Star-Clear Cartridge Filters<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Knob kit replacement</li><li>Fits hayward star-clear cartridge filters</li><li>Weighs 2.6 pounds</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31%2ByOq-%2BeNL.jpg" noproxy>