Pentair C198-5 Union Coupling Half Package Replacement Pool and Spa Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Union coupling half package replacement</li><li>Fits Pentair Sta-Rite Cristal-Flo high-rate T-BP series pool and spa sand filter</li><li>Also fits Pentair Sta-Rite Waterford aboveground pool and spa sand filter</li><li>Measures 6-inch length by 3-1/4-inch width by 3-1/4-inch height</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41P14ZX-8jL.jpg" noproxy>