The D-20A and D-20 (older model) are not the same cartridge. Revisions to the D-20A include better intake and outlet channels to create greater water flow. In addition, the D-20A cartridge will not fit the older housing model US-550. Only the US-600A (current model) and US-600 (predecessor model to the US-600A) are compatible with the D-20A.
Culligan D-20A Drinking Water Filter Replacement Cartridge Overview
- Filtration: Level 1 Basic Filtration
- Cartridge Lifetime: 12 months or 1,000 gallons (whichever comes first)
- Flow Rate: 1 gallon per minute
- Additional Compatible Cartridges: D-30A (Leve 2 Extra Filtration) or D-40A (Level 4 Premium Filtration)
Culligan D20A Replacement Filter Advantages
- NSF certified performance
- Newer, improved version of the older D-20 / D20
Compatible / Interchangeable Models
- Ace Hardware 48167
- American Plumber W-40 / WLC-R
- Flotec LC1
- GE FXULC
- MasterPlumber TrueValue 852-657
- Omni CB3
- Sears 34377
- Teledyne WaterPik IR-70
The
Culligan D-20A filter replacement cartridge has been tested and certified by NSF International under NSF/ANSI Standard 42 for the reduction of the following contaminants:
