Poolmaster 12408 Replacement Filter Cartridge for Watkins 31489 Filter
</br></br>
<div style="text-align:left">
<b>[Product Information]</b><br>
<ul>
<li>Equivalent to the following replacement filter cartridges; Pleatco PWK30 and Unicel C-6430</li>
<li>The top of the replacement filter cartridge is open 1-15/16 and the bottom is open 1-15/16</li>
<li>High quality spun bonded polyester material for exceptional water filtration</li>
<li>Premium grade polyurethane and plastisol end caps</li>
</ul>
</div>
</br></br></br></br></br></br></br></br></br></br>

</br></br></br></br></br></br></br></br></br></br>
<img src='//ecx.images-amazon.com/images/I/31zSK8wT%2BzL.jpg'></br>