First of all it is good to know what a fridge filter does. It is made to clean the water for the ice cube maker in your fridge. You need to know that it is to be replaced once in a six-months period. Why should you do it? Because the filter will not work properly after six months - it will be polluted. It is a good idea to check your fridge"s manual to check two things: where is the filter located and what is its model name and number. It should look similar to this: fridge water filter bl9808. It is crucial to know the right model because there are plenty of various filters available on the market. Now, when you know what to buy and why you need it, it is good idea to search the web, for there are on-line shops offering filters. When in shop you need to look for your filter either by its name put in the searcher, f.e. fridge water filter bl9808 or by the model off the fridge it is designed for.