Gravity Max (Replaces Ultra Sterasyl)

 36,90 inc. IVA

  • This filter element replaces the Doulton Ultra Sterasyl.
  • Compatible with British Berkefeld, Berkey and Phoenix Gravity filtration systems
  • Removes common particles, pathogenic bacteria, cysts, chlorine, organic compounds and heavy metals such as lead.
  • Made from 100% ecological ceramic with activated carbon
  • Nominal pore size of 0.5 microns
  • Made in the USA and NSF-certified
  • Recommended to replace every 12 months

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When you order from us

  • Done Free shipping Portugal & Spain (mainland) from €100
  • Done Delivery in Portugal & Spain in 48 Hours
  • Done Free Filter Replacement Reminder Email Notification*
  • Done Authorized dealer of Phoenix Gravity, British Berkefeld/Doulton, Zerowater and Sawyer
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The Gravity Max is capable of reducing the simplest contaminants such as chlorine and other chemicals, to the most difficult ones such as E. coli, Salmonella and heavy metals such as lead,. The Gravity Max filter eliminates 99.99% of all impurities from your drinking water. This filter element is made from a 100% ecological ceramic body combined with an activated carbon block and silver particles. The Gravity Max replaces the Doulton Ultra Sterasyl.

What does the Gravity Max filter?

  • Turbidity reduction
  • Pathogenic Organisms
    • Bacteria such as E.coli, cholera, Shigella, typhoid and Klebsiella Terrigena
    • Cysts
  • Range of pesticides:
    • Insecticides
    • Herbicides
    • Phenols
    • Polyaromatic Hydrocarbons
    • Trihalomethanes
  • Chlorine
  • Heavy metals (such as lead)
  • Improves the overal taste & odor of your drinking water

This filter element is suitable for the following products:

  • British Berkefeld gravity water filters
  • Berkey gravity water filters
  • Phoenix Gravity water filters

General Information about the Gravity Max filter element;

  • To be replaced every 12 months
Weight 0,8 kg
Filtration Media

Carbon, Ceramic

Filtration Type


Removes Chlorine


Pore Size (Micron)


Removes Fluoride


Removes Heavy Metals


Removes Limescale


Removes Parasites


Removes Turbidity


Requires Electricity


Removes lead



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