Culligan D-40 Level 4 Undersink Filter Replacement Cartridge
Culligan D-40 Level 4 Undersink Filter Replacement Cartridge detail
Undersink replacement water filter for water filtration systems that use 9 3/4 inch x 2 1/2 inch cartridges.
The Culligan Level 4 D-40 fits Culligan US-550, US-600, US-600A, and any brand of water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges.
The Level 4 D-40 is compatible with the following:
Country of Origin