Culligan D-20A Level 1 Undersink Filter Replacement Cartridge
Culligan D-20A Level 1 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 1 D-20A fits Culligan US-550, US-600, US-600A, RO-2127, RO-3000, RO-3500, and any brand of water filtration system that uses standard 9 3/4 x 2 1/2 filter cartridges.
The Level 1 D-20A is compatible with the following:
Country of Origin