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Culligan US640 and Culligan US-640 under sink water filter system for drinking water

Water Filters Home > Under Sink Water Filters > Culligan US-640 Drinking Water Filter System


Culligan US-640 Under Sink
Drinking Water Filter System



Culligan US-640 under sink water filter system. The Culligan US640 removes sediment from drinking water
Culligan US-640 Product Manual
(Download Adobe Reader)


Culligan has discontinued the
US-640 Under Sink System
and is now selling the SY-2650.



US-640 Replacement Filter


Culligan D-40
Product Code: D-40
One Case Includes 4 Filters

Quantity Discounts
1 Filter $32.99 each
2 - 3 Filters $31.99 each
4 + Filters $29.99 each

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 Replacement Filters

Culligan D-40 Under Sink Replacement Filter for the Culligan US-640 Undersink Water Filter System
Recommended
Replacement Filter
for the US-640 system
  • Culligan US-640 Under Sink Water Filter:
  • Compact under sink water filter system fits easily under most kitchen sinks
  • The included Culligan D-40 filter reduces lead, mercury, Cryptosporidium and Giardia cysts, asbestos, lindane and atrazine (herbicides and pesticides)
  • Reduces odors, chlorine taste and odor, bad taste, and sediment
  • NSF International Certified
  • 3/8 inch inlet/outlet for under sink connections (tubing included)
  • Culligan US640 Replacement Filter:
  • One Culligan D-40 water filter cartridge included
  • Filter cartridge life for the Culligan D-40 replacement filter is up to 6 months or 600 gallons of water. The water filter life also depends on the quality of your water.
  • The Culligan D-30 under sink water filter also can be used in the Culligan US640 under sink system.