Pentair 273550 Manual Air Relief Assembly Replacement Pool and Spa D.E. Filter
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<b>[Product Information]</b><br>
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<li>Manual air relief assembly replacement</li>
<li>Fits Pentair Nautilus Plus pool/spa D.E. filter models NSP-24, NSP-36, NSP-48, NSP-60, NSP-72</li>
<li>Also fits Pentair FNS, SM & SMBW 4000 Series pool/spa D.E. filter models FNS 24, FNS 36, FNS 48, FNS 60, 4060</li>
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