Doulton W9121302 Imperial SuperSterasyl 7”(L) Gravity Filter Element

Part Number: W9121302

Retail Price per Filter: $72.36
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Doulton W9121302 Imperial SuperSterasyl 7”(L) Gravity Filter Element



The Doulton W9121302 SuperSterasyl is a three stage cartridge combining the highly efficient properties of ceramic with the enhanced water treatment properties of activated carbon. The AquaCera Super Sterasyl ceramic filter is silver impregnated to prevent bacteria growth and is self sterilizing.


The Imperial SuperSterasyl Candle is ideal for RO guard and post filtration. The candle is also an alternative for the Sterasyl ATC 6" Candle.


Doulton gravity filters offer 2 to 8 times the flow rate of their non-gravity fed filters. 


  • Ideal for RO guard and post filtration
  • Complimentary to UV systems
  • Self sterilizing
  • High levels of chlorine, VOCs and industrial solvents
  • Filtration efficiency of > 99.99% at 0.9 microns
  • Filtration efficiency of > 99.99% at 0.5 - 0.8 microns
  • Highly efficient bacteriological filtration
  • Tested with live cryptosporidium to a removal of 100%
  • Tested with live bacteria to a removal of > 99.99%

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