Did you know about these before-hand or did you find out through my thread? If so, glad I could help
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I've had my cfs700 for a little over a year now, however I've not seen that one you linked. I'm in the planning stages for my 8' and will get 2 of them. I also agree with dan on the maintenance of filters by the owner also plays a big part in how long they last. Also, the amount of filteration plays a big part also. There is a lot of factors that can go into determining how long they last as we all know.
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