The Everpure system works well for me - the water tastes great and the cartridge is easy to replace. Turn off the water, place a bowl under the area you are working in, disconnect the cartridge, put in a new one, turn the water back on. That's all! Handyman is not required. I've had the Everpure system for about 5 years now and change the filters every 12-16 months (water flow slows down when the filter needs to be replaced). A retail plumbing store sells the same filter for about $30 more. This is a great product.
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