Guardian Pool Spa Filter Replaces Unicel C-8380， Filbur FC-2810 Filter Cartridge Sundance Spa<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>diameter 8 1/2''</li><li>sundance microclean</li><li>2'' SAE threaded closed</li><li>length 14''</li><li>85 sq ft</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41IFjiztqNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41zmQcWRt1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41FeyrOmFAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/415KWQnQ%2BGL.jpg" noproxy>