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Take your water to the next level with the ultimate pre-filter. It targets and removes the most harmful substances in tap water to deliver optimal health.


Removes viruses, bacteria, cysts, heavy metal, chlorine, plastics, pharmaceuticals and many more.


"My water tastes amazing now, and knowing that it is absolutely pure gives me the confidence to know my family's health isn't being compromised."

Harry McPherson Verified Buyer


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Ultra D Pre-Filter BENEFITS

Removes harmful viruses

The ultra filtration removes 99.99% of viruses, including polio, rotavirus, norovirus, etc..

removes bacteria

Also removes 99.99% of bacteria, including e-coli, Legionella, Pseudomonas, etc.

removes heavy metals

Removes lead, iron, arcenic, cadmium, chromium, selenium, mercury.

removes pharmaceuticals

Removes residual pharmaceuticals in our tap water, including contraceptives, anti-depressants, etc..

The ULTRA-D Submicron Filtration electro-adhesion media capable of removing submicron pathogens and inorganic contaminants through electro-adhesion and ion exchange.
This technology makes it possible for a nonwoven media to produce filtration efficiency comparable to ultra membrane filtration but at a very low-pressure drop, with high flow rates and high loading capacity working equally well in fresh, brackish or salt waters.
Click here to download the Ultra-D fact sheet
Use for added protection when using rainwater, other non-town water sources or if you have a higher level of bacteria in your tap water.
  • Mini Clear Housing – easy to see when the filter needs cleaning
  • Mini Ultra-D Replacement Filter
  • 1/4 Black hose for connecting to the UltraStream
  • John Guest Fittings x 2
The Ultra-D filter reduces or removes the following
To ensure top quality and purity, Cleanmarine Krill Oil is processed as it is caught and is rigorously tested for heavy metals.
Sustainable Choice:
  • >99.99% viruses (Polio, Rotavirus, Norovirus, etc)**
  • >99.99% bacteria (e-coli, Legionella, Pseudomonas, etc)**
  • >99.95% cysts (Giardia, Cryptosporidium, etc)**
  • >95% Lead**
  • >80% Ferrous Iron**
  • >95% Arsenic V**
  • >95% Cadmium**
  • >85% Chromium**
  • >75% Selenium**
  • >60% Mercury
  • Chlorine
  • Bromine
  • Iodine
  • VOCs (volatile organic compounds)
  • PCBs and BPA
  • Residual pharmaceuticals
  • Biofouling precursors: organic acids, proteins, polysaccharides

More Info

At Avocado Ninja, you can be assured that all the products we sell meet strict quality and safety criteria.

Before buying elsewhere, please be aware that there are many unscrupulous sellers out there that have no idea of the source or quality of products they are selling.


There is a huge market in counterfeit, expired and very low-quality products. You should always see certificates only or be made available from companies for the Good Manufacturing Practice of the manufacturer and Organic Certificates as a minimum.


Our Quality Processes


  • High-Quality Suppliers: Carefully select and work closely with all of our suppliers over long periods of time
  • Suppliers Visited: Visit the offices and manufacturing plants of major suppliers
  • Suppliers Procedures Checked: Ensure suppliers have quality control and safety procedures in place; and are 3rd party inspected
  • Each Batch Verified: Ensure that for each batch of products we have all relevant certificates, including safety, Organic (where relevant), Non-GMO (where relevant) and Certificates Of Inspection. This ensures that what is on the label is in the product
  • Proven Health Claims: What we say about products is accurate and all health claims are scientifically proven
  • So you can rest assured that everything you buy from Avocado Ninja is safe and effective.

Supplement Warnings


  • If you are pregnant or nursing, consult a doctor or qualified health care professional before using this
  • product. Please consult with a doctor before making any changes to your lifestyle or diet.
  • Food supplements should not be used as a substitute for a varied diet
  • Store in a cool, dry place
  • Keep out of reach of children
  • Do not use if safety seal is broken
  • Food supplements should not be used as a substitute for a varied diet


If you do not love our Ultra D Pre-Filter for any reason, simply get in touch and let us know.

If you like this, then you’ll love our proven system for optimal health.