The 3M™ DP-190 Water Filtration System uses a two-cartridge combination to treat water simultaneously for cold beverage dispensers and hot/ice equipment. The 3M™ DP190-CARTPAK (Part #5613801) Filter set includes the 3M™ HF90 & 3M™ HF8-S cartridges. These cartridges should be replaced every 6 to 12 months*. Filter set includes:
3M™ HF90(Part #5613503): Primary 0.2-micron filter for sediment, chlorine taste/odor, cysts, and bacteria reduction
3M™ HF8-S(Part #5618903): Polyphosphate scale inhibitor cartridge feeding the hot/ice equipment port