Pentair u11-200ps 2-Inch Union Collar Replacement Pool/Spa Filter and Pump<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Union collar replacement</li><li>Fits Pentair Sta-Rite System 3 SM-Series modular media pool and spa cartridge filters</li><li>Also fits Pentair Sta-Rite IntelliPro VS 3050 pool and inground pumps</li><li>Measures 2-inch</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41wRy555mNL.jpg" noproxy>