Harmsco (WB-931-20) 29.25" x 2.75" WaterBetter Pleated Cartridge 20 Micron GE Desal (1206812) AK-Series Low Pressure RO Elements When you choose Amtrol

When you choose Amtrol

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The ISO-WH1-20B is purpose-built for larger homes and applications where standard compact whole house filters create bottlenecks

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Harmsco (WB-931-20) 29.25" x 2.75" WaterBetter Pleated Cartridge 20 Micron GE Desal (1206812) AK-Series Low Pressure RO Elements When you choose AmtrolHarmsco WaterBetter Series Harmsco WB 931 20 29. 25" x 2. 75" Pleated Sediment Cartridge Cleanable, reusable polyester pleated filter for whole house and commercial pre filtration at 20 micron 20 Micron 29. 25" x 2. 75" NSF 61 Certified Reusable WHY IT WORKS Polyester Plus pleated media gives you more surface area and longer service life than wound or spun cartridges Pleated Design More filtration surface area in the same footprint means longer runs