The 3M DF290-CL Cartpak is a replacement filter set for the DP290-CL system. The 3M DF290-CL Cartpak # 5613807 contains a set of replacement water filter cartridges for the 3M DF290-CL dual flow water filtration system. 25,000 gallons (94,635 liters). Reduces: Cysts, bacteria, sediment, chloramine, chlorine, and scale. The DF290-CL CARTPAK kit includes: (2) HF90-CL filters (1) HF90-S-SR5 filter The HF90-CL filter reduces cysts, bacteria, chlorine taste/odor, and sediment through its carbon block media and 0.2 micron rating. The HF90-S-SR5 cartridge reduces scale build-up to prolong the life of your foodservice equipment.