WHR-140 Filter Cartridge by Culligan. This has a filter life of up to 10,000 gallons or 6 months. Level 2 extra filtration, NSF certified.
Update: Since this post was published the price, availability or promotion has changed. Check the product page for up to the minute description, price and availability. Also: Today’s Deals on Amazon
More: Recent Amazon Recent Amazon Finds [view more]: thirdparty:waterfilter
Recent Amazon Finds [view more]: