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Home>Water Filter Brands>Culligan Water Filters>Culligan Under Sink Water Filter Systems > CULLIGAN-US-640


Culligan US-640 Water Filter System


Culligan US-640 under sink water filter system and Culligan US640 undersink filtration system
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Product Code: CULLIGAN-US-640
  • Culligan US-640 Under Sink Water Filter System:
  • The Culligan US-640 undersink water filter is a complete and compact filter system that fits under most kitchen sinks.
  • The Culligan US-640 water filtration system comes with a Culligan D-40 filter cartridge that reduces lead, mercury, Cryptosporidium and Giardia cysts, asbestos, lindane and atrazine (herbicides and pesticides).
  • The Culligan US-640 filtration system reduces odors, chlorine taste and odor, bad taste, and sediment.
  • The Culligan US-640 water filter system is NSF International Certified.
  • The Culligan US-640 filter system has 3/8 inch inlet/outlet for under sink connections (tubing included). The Culligan US-640 water filter system is easy to install using the quick-connect fittings.
  • The Culligan US-640 undersink water filter housing weighs 3.1 pounds and the dimensions are 12.75" x 5.5" x 5.75".
  • Manufacturer: Culligan US-640
  • Culligan US-640 Replacement Filter System:
  • 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 and your water usage.
  • The Culligan D-30 under sink water filter also can be used in the Culligan US640 under sink system.

This item has been discontinued
The Culligan US-640 Under Sink Drinking Water System has been discontinued. The Culligan D-40 replacement filter and replacement parts can be purchased below.
Replacement Filters and Parts or Alternative System for the Above Unavailable Product
Culligan D-40A Under Sink Replacement Water Filter Culligan D-40A Under Sink Replacement Water Filter
American Plumber, Culligan, Pentek SW-5 Water Filter Housing Wrench American Plumber, Culligan, Pentek SW-5 Water Filter Housing Wrench American Plumber, Culligan, Pentek OR-233 O-Ring (3 American Plumber, Culligan, Pentek OR-233 O-Ring (3" Diameter) Culligan FCT-1 Chrome Drinking Water Faucet Culligan FCT-1 Chrome Drinking Water Faucet    Add to Cart