Cooler Mate by CUNO Water Factory Replacement Water Filter Cartridges are still available from 3M.  Listed below are the replacement water filter cartridges for each of the original Cooler Mate systems by CUNO Water Factory  
Office Drinking Water Products, Water Cooler Filtration Systems

Water Factory CoolerMATE® Series  -  THE PERFECT MATE FOR YOUR WATER COOLER

The BENEFITS of CoolerMATE® HIGH ADSORPTION CARBON.

• GET CLEAN, BETTER TASTING WATER FROM YOUR COOLER. CoolerMATE® Systems are tested and certified by NSF International for the reduction of Lead, Suspended Matter, Taste, Odor, and Chlorine.
• Performance carbon adsorption media allows a rapid 0.6 gallon (2.3 liters) per minute delivery to your cooler tank or spigot while providing high lead, dirt, and chlorine removal capacity.
• NO MESS. The systems have patented Sanitary Quick Change (SQC) cartridges for easy change out with no tools, spills or contamination.
• FIT ANYWHERE. The CoolerMATE® fits any make of water cooler.
• All systems come with a 10-year system Warranty and include installation kit.

Water Factory CoolerMATE® Systems

	CM-2 Lead Plus	CM-1 SR Scale* Reduction	CM-2 CTO	CM-1 CTO
Reduction: Chlorine Taste Odor	Yes Yes Yes	Yes Yes Yes	Yes Yes Yes	Yes Yes Yes
Reduction: Scale	No	Yes	No	No
Reduction: Lead	Yes	No	No	No
FILTER LIFE	500 Gallon Life Capacity	2,000 Gallon Life Capacity	2,500 Gallon Life Capacity	750 Gallon Life Capacity

*Scale is the build up of calcium deposits in pipes and plumbing fittings