The invention describes an apparatus for the filtration of liquids and an associated filter cartridge 100, the correct seating of which is ensured and can be established by the user. The apparatus is characterized in that the inlet funnel 10 has at least one first fixing means 30 below the receiving...http://www.google.com.hk/patents/US8114284?utm_source=gb-gplus-share專利 US8114284 - Filter cartridge and apparatus for the filtration of liquids