Symmetry IQ™ Water Filter Symmetry IQ™ Water Filter UPWF Replacement water filter for use with Symmetry IQ™ 3000 and 4000 units. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.