The system itself is designed so that filters can be changed quickly and easily. Just press the eject button, then click and snap to reinstall. All this without turning off the water pressure at the filter unit. My old GE reverse osmosis system required the use of a circuit breaker, a special wrench, a towel, and significant amounts of manual maintenance about every six months. Those six filter packs were just a great way to get the system started and not have to worry about the next two filter changes. After you purchase the system, place these six packs next to the filter assembly for the next few changes.
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