Hayward DEX2420MAR2 DE and Cartridge Filter Manual Air Relief Assembly
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<b>[Product Information]</b><br>
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<li>Fits Pro-Grid DE, SwimClear and Swim clear cartridge filters</li>
<li>Fits Hayward pro grid model DE filters</li>
<li>May require additional purchase of DEX2420Z8A O-ring kit set of 2 O-rings</li>
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