The Brita Optimax is probably the biggest water filter for home use. I've bought him because I drink a lot of water and I found it practically, a somewhat larger amount of filtered water in the fridge and to pre-cool stockpile there. The fact that a certain space is occupied in the refrigerator and lack of other food I have accepted in this context. When I finally get the filter that true greatness is me once noticed. Because unfortunately is nowhere made this an indication. The filter is 22 cm high. As my refrigerator offers few possibilities of height adjustment of the glass shelves had an entire floor to believe it and disappear from the fridge. Next Minus point: the tap is not very far in front. To keep comfortable a glass under the tap must already be pretty close to the bottom edge of the filter. Unfortunately, there is just above the tap the handle of the filter, which protrudes so far that the refrigerator door because the storage compartments in the door no longer be closed. Conclusion: you have to filter the journal always pull out a piece and close the refrigerator again pushing a piece back. In a filled filter almost 9 kg because the need to be moved. Practically initially appears also removable lid for filling the filter, but as soon as practically no longer proves to be. After the lid has 2 open slots. Has to fill the filter with water, this only once a piece out of the fridge pull out to open the lid. Filling water now this one runs very slowly through the filter cartridge, so that one has to refill the filter several times to fill it completely. And as the water very slowly flows into the lower tank sloshes the water pushed back (you want the refrigerator door not leave open for ages, we live in a more energy-conscious society) through the two slots (and, moreover, under the edge of the large lid through because no rubber gasket is present) and sets the refrigerator half underwater. Too bad, because it was not thought of the product developers. Otherwise, the idea is not bad and if you have been handled with care with the filter and also according to space in the fridge one is the part certainly very happy.