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Review title: Filter did not fit 17000 correctly
Product review: I purchased 2 HFR-11 instead of the original sized filter. Spec claims 2 will fit the 17000 corectly. Well, it was a bit thick when you stack the two. I managed to tighten the big screw, but the cover did not close to it's normal position. Despite not fitting correctly, it seemed to seal ok.
