I have one. It wasn't a good purchase for me as the waste ratio is too high as I am on a meter. I bought it in a rush as my RO was broken & it seemed like a good idea at the time. I used it for about a fortnight. I'll sell it cheap if you are interested, otherwise I'm going to stick it on ebay. I just want to get shot of it as I know I will never use it. An expensive mistake, but the only issue was the waste. If you are not on a meter, then I'm sure it's a good bit of kit.