Pentair 194893 2-Inch External Spacer Replacement Pool and Spa D.E. Filter
<div style="text-align: left;"><strong>[Product Information]</strong><br>
<ul>
<li>External spacer replacement</li>
<li>Fits Pentair Nautilus， Nautilus Plus pool and spa D.E. filter models NSP36， NSP48， NSP60， NSP72</li>
<li>Also fits Pentair FNS pool and spa D.E. filter models FNSP 24， FNSP 36， FNSP 48， FNSP 60</li>
<li>Measures 2-inch external</li>
</ul>
</div>
<img src="http://ecx.images-amazon.com/images/I/31PmgnOLMdL.jpg" noproxy>