Set of 12 replacement charcoal water filters for Keurig brand machines. Simply place a cartridge into the water filter assembly and insert into your water reservoir. For use exclusively with the following keurig brewers purchased after august 2007: elite, classic, ultra, special edition, ultimate, select and platinum.Ready for a reasonably priced alternative to expensive charcoal filters? GoldTone Replacement Charcoal Filters are all the quality of regular Keurig charcoal filters, for less! Buy in bulk and save! GoldTone doesn't skimp on the quality for these savings-instead, we use minimal packaging to create savings for you and reduce our impact on the environment. This is a high quality 12 pack of charcoal water filters for Keurig single serving coffee machines that offers an unbeatable value. To keep the cost low for the consumer, each unit comes in a simple polybag. Try our charcoal filters and taste the difference: these water filters gently remove chlorine and other minerals and flavorants to improve the flavor of your coffee and teas. Be sure and refer to your coffee maker's instructions when replacing these filters. Each brand is different and therefore will have slightly different instructions for use. With the following Keurig brewers purchased after august 2007: elite, classic, ultra, special edition, ultimate, select and platinum.