1 Bissell Vacuum Cleaner Water-Calcium Filter (Similar to Bissell Part#218-5600,2185600) & 2 Microfiber Cloth Steam Mop Pads (Similar to Part#3255 & 42G3); Fits: Bissell Steam Mop Cleaners 1865 series, 1867 series, 31N1 series, 21H6 series, 46B4 Series and 39W7 Series by ZVac 1 Bissell Water Calcium Filter & 2 Microfiber Cloth Steam Mop Pads Fits: Bissell 1865 series, 1867 series, 31N1 series, 21H6 series, 46B4 Series and 39W7 Series Similar to Bissell Part# 218-5600 & 3255 The Filter removes harsh minerals and ions from your tap water Must have kit for Bissell Steam Mops by ZVac