Pentair 191474 O-Ring Replacement Pool/Spa Filter and Skimmers<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>O-ring replacement</li><li>Fits Pentair Star polymeric， Star and FNS Plus pool/spa D.E. filter models FNSP24， FNSP36， FNSP48， FNSP60</li><li>Also fits Pentair Clean &amp; Clear Plus pool and spa cartridge filters</li><li>Compatible with Pentair Bermuda gunite and vinyl liner skimmers</li><li>Measures 6-inch length by 1/2-inch height by 4-inch width</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Pw-aeJcRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31JkZhdR1LL.jpg" noproxy>