The Pur vertical faucet mount and 2 stage advanced micro filter provides healthy, great tasting water. The bypass function makes it easy to quickly switch to unfiltered water when washing dishes. Reduces sediment and pollutants like lead, cryptosporidium and giardia. Starter System Includes 1 faucet mount and 1 filter. One filter provides up to 100 gallons (2-3 months) of crystal ...