This is a required purchase for my Quick and Hot (hot water dispenser for my tea-time morning and afternoon), cheaper on the net and in the service of my shop Leclerc (When I ' I bought mine, there were forty in the stack) I moved to SAV 2 times, because there is not always someone, the technician told me not ensure the maintenance parts , for some reason it would make the stock! he searched the internet and offered to order with a 15-day period "at least" 30 and the cartridge price. I told him that it deserved consideration and still waiting for me! On the internet, it took me 5 minutes to find, order and realize that these people are not anxious to us to save money and to be the cheapest, as they claim with a lot of pubs ...