I purchased this unit to filter the water going into my garden drip irrigation system. An attractive combination unit at first glance, but once assembly begins, one realizes that the filters are held captive by an unusual design: the system uses a flat gasket to seal the filter housings in place, with the upper manifold using a lock nut (which is insert a blue knurl on the filter into the housing, then install the housing with the washer up to the manifold, then tighten the rear locknut (filter housing will not turn) were difficult to remove or the o-ring was sticking when reinstalling (needed lubricating each time the idea seemed new. The only problem was that either the supplied filters were defective or the housings were not the right size e for the standard filter -Flat rubber disc from the discarded f use filter to remove the compensate for play (otherwise the filter just dangled in the housing). When I saw such a design issue or defect in a product, I lost confidence that it would be a reliable device. I will be using it short term and will keep an eye on any leaks or other issues until I find a replacement. I give three stars because everything works with the added gasket.
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