Superwater.com offers Free FedEx and UPS Ground Shipping on every 3M Cuno Aqua Pure # 55821-05 CFS441 Scale Inhibitor Water Filter Cartridge order.
NOTE: The CFS441 has been completely replaced in 1/2102 with the HF8-S cartridge, any orders for the CFS-441 will be replaced with the HF8S.
The 3M Cuno # 5582105 CFS-441 cartridge is a scale inhibitor for the DP series of dual port water filtration systems from 3M Cuno. It can accommodate flow rates up to 6 GPM.
