Pentek WS-20BB Water Softening Filter Cartridge, 20" x 4-1/2"
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<b>[Product Information]</b><br>
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<li>Reduces hardness minerals and scale deposits in low flow rate residential and commercial applications</li>
<li>Cation, sodium-form resin ion-exchange media with polypropylene pre- and post-filters</li>
<li>Capacity of 4,500 grains</li>
<li>Recommended flow rate of 2.0 gpm</li>
<li>Maximum temperature of 100 degrees F (37.8 degrees C)</li>
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