CU-A4 User Manual
Introduction
Congratulations on your purchase of the iSpring 4-stage Ultrafiltration water filter system. Featuring a four-
stage filtration process, the CU-A4 incorporates a 0.1 micron UF membrane, a polypropylene sediment
filter (PP), Active Carbon (AC), and Kinetic Degradation Fluxion (KDF) to provide crisp-tasting mineral
water straight from your tap.
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