Three KleenWater 4.5 x 20 inch String Wound Filters - One KleenWater o-ring | 20 micron dirt, rust, sediment entrapment | Precise geometric patterns insure high efficiency | O-Ring is compatible with Pentek, Culligan and Pentair "Big Blue" | Made in USA
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Item# : SPM18384666404
Model # : RNAB08739MBW6