D1 Vision Spa Filter Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Minerals</li><li>Locks directly on to EZ lock Filter</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41IeRH7QmOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2BS4Adx46L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41DZX3Q2-QL.jpg" noproxy>