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Open both ends (DOE) replacement cartridges> Imperial Ultracarb Water Filter Ceramic Cartridge

The Imperial Ultracarb ceramic filter cartridge has the same benefits as the regular Ultracarb, however, the roughly 1/3 larger diameter allows a significantly greater flow rate. At the present time, the Imperial Ultracarb is available only as a cartridge.

The Imperial Ultracarb cartridge is 2 3/4" O.D. by 9 3/4 long and is designed to fit most industry standard 10" water filter housing accepting double-open-end caps (DOE) cartridges.

  • Maximum working pressure ......... 125 psig
  • Maximum working temperature ...... 100 F
  • Minimum working temperature ...... 40 F
  • Recommended flow rate ............ 1.0 gal/min
  • Recommended change frequency ..... 12 months or 1000/4000 gallons/litres, whichever is sooner.

Detailed Ultracarb cartridge spec. sheet in PDF format

Imperial Ultracarb cartridgeImperial Ultracarb ceramic cartridge

Contaminant Removal

Pathogenic Bacteria
Cholera, Typhoid, Salmonella, Serratia, E Coli, fecal coliform - > 99.99% removal

Cryptosporidium, Giardia Lamblia - I00 % removal (based on tests by Arizona State University)

Lead Removal
The ATS metal ion reduction medium in the Ultracarb element effectively reduces the lead content in drinking water. (See the Lead Removal graph for the Ultracarb element.)

Total capacity for reducing chlorine is somewhat less than the Supercarb.

Lead, Iron

Down to 0.9 micron absolute; 0.5 - 0.8 micron with a filter efficiency of >99.99% (based on tests by Spectrum Laboratories, Minneapolis, MN)

Organic Chemicals
Pesticides, herbicides, and Solvents

Taste & Color
Hydrogen Sulphide, Iron, etc.

Supercarb-Ultracarb comparison table
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