EveryDrop by Whirlpool Water DWWC2S1 Micro Contaminant Replacement Filter (Pack of 1) Contains 1 easy-to-change every drop micro contaminant replacement filters Replace each filter every 2 months or 60 gallons of usage (1 filter = 450 water bottles) 16.9 oz. Bottles Reduces chlorine and chloramine taste and odor Filters 5X faster and 50% more water than leading brand water filtration pitchers Convenient date window reminds you when to replace your filter This is a EveryDrop by Whirlpool Water replacement part Part Number DWWC2S1