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Dual Gradient Density 25 / 1 micron - 20" x 4.5"
* 25 micron outer layer, 1 micron inside layer sediment filter.
* Reduces dirt, sand, silt, and rust particles.
* 2 separate gradient density layers provide triple the dirt-holding capacity of similar sized filters.
* Designed for purity with chemical and bacteria resistance
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Fits Big Blue 20" x 4.5" filter housing, and Home Master Water Filter models #HMF2SdgB1, #HMF2SdgC
*THIS ITEM SHIPS BY UPS GROUND AND CANNOT BE SHIPPED BY PRIORITY MAIL.
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