Pentek - WP5BB20P - 20" x 4.5" Polypropylene String Wound Filter Brand_KX Replacement Lamp Size #11

Replacement Lamp Size #11

and quartz sleeves are also size #20

Wells with iron levels above 3 ppm may require more frequent replacement as KDF media becomes saturated faster

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Pentek - WP5BB20P - 20" x 4.5" Polypropylene String Wound Filter Brand_KX Replacement Lamp Size #11Pentek String Wound Sediment Filter 20" x 4. 5" Polypropylene String Wound Filter WP5BB20P Precision wound polypropylene sediment filter with 5 micron nominal rating for high capacity whole house, well, and commercial applications 5 Micron Nominal 20" x 4. 5" Big Blue String Wound WHY IT WORKS Engineered for Higher Dirt Loading Capacity Precision Wound Pattern Polypropylene cord wound in a precise pattern around a rigid core creates greater surface