P-250 Pentek Undersink Filter Set
Product Review (submitted on December 14, 2012):
I have had this water filter unit 6 years and use these P-250 cartridges replacing them annually after the rated 1000 gallons. The only reason to use the more commonly sold P-250A filter set (which has a 500 gallon rating)is if you have MTBE in your water.
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