DentaPure™ Independent Water Bottle Cartridge DentaPure™ Independent Water Bottle Cartridge DP40B Independent Water Bottle Cartridge. 60 days or 40L of water SKU Qty Included DP40B Box of 10 cartridges DP365B Box of 10 cartridges 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.