98% of coffee is water, so why not add water filtration to your coffee machine.  Also can be plumbed into your water cooler or even a drinking faucet.  Install is additional $150, not includng any permits or back-flo preventors some municipalities require.  Good for 3000 gallons or 6 months.  Install fee is wavied if signing a 36 month agreement for scheduled water filter exchanges.  

1 Micron, Reduces Chlorine, taste and odor, particulate, Lime Scale Inhibition high level - NSF 42