Krystal Pure Replacement Filters KR10 Reverse Osmosis System Krystal Pure KR10 Reverse Osmosis Replacement Filters and Especial Cosas Microfiber Towel bundle Fits all standard 10" filter bowls Filters feature compressed carbon filtration. 3 filters in box: 1 sediment (1 micron), 1 carbon (1/2 micron) and 1 carbon postfilter (10 micron) Can be used in any filtration system with standard 10" filter bowls. One 11.5 x 11.5 Especial Cosas blue microfiber towel; perfect for wiping up light spills while changing filters. Wash microfiber towel separately as color may bleed.