Title: I prefer carbon block, not KDF in this, for shower filter
Review: Culligan's display packaging is deceptive. Instruction (5) says "Flush the cartridge for 5 minutes to remove all carbon fines."The cartridge WHR-140 included contains gold-color KDF like Sprite filters, not carbon.I like the DuPont shower filter (WSSS1050) cartridge WFSSC0501 much better. It uses a block of activated carbon with micron -sized pores which remove suspended solid impurities and chemicals better. My skin feels cleaner. Carbon block makes no sound when shaken. It is used by Brita, Pur, GE etc to produce drinking water, but KDF is not. KDF is mainly used to remove chlorine.The Culligan cartridge is filled with loose KDF. It sounds like sand when shaken. I do not notice any difference when taking shower with Culligan filter except for the lack of chlorine smell.Both Culligan and DuPont cartridges look exactly the same,same diameter, same hexagonal metal mesh, butdifferent filler. DuPont's is roughly 0.5 cm longer.
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