AquaFlo Flo-Master FMCP / Tub- Master TMCP Series Center Discharge Spa Pump Volute O-Ring O-228 92200270<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>5-1/8" Inner Diameter</li><li>1/8" Cross Section</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21HOEhRRF3L.jpg" noproxy>