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Home / Products / CYST 20 BIG SD 1 mcr - Activated Carbon Block for Giardia and Cryptosporidium
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CYST 20 BIG SD 1 mcr - activated carbon block - filters Giardia and Cryptosporidium

The high-quality CARBON BLOCK made from 100% coconut shells filters contaminants from drinking water:

- Giardia and Cryptosporidium
- chlorine
- pesticides
- taste impairments
- odour impairments and fine particles
- insecticides
- solvents
- organic contaminants
- the filter also removes oils and aromas


The CARBON block is manufactured in an "environmentally friendly" way. It filters very fine particles from drinking water such as Giardia and Cryptosporidium.

Giardia and Cryptosporidium are two of the world's most common causes of an intestinal parasitic infection.

Giardia is a diarrhoeal disease caused by a single-celled, microscopic parasite, Giardia intestinalis (also known as Giardia lamblia). Once an animal or person is infected with Giardia intestinalis, the parasite continues to live in the intestines. Because the parasite is protected by an outer shell, it can survive outside the body and in the environment for a long time.


Coconut-shell activated carbon has an exceptionally high micropore density, which means it can absorb more contaminants per gram. Activated carbon blocks made from 100% coconut shells are of higher quality than conventional activated carbon blocks from mass production in China.

Carbon blocks made from coconut shells are free from chemical additives or binders. Low-cost activated carbon blocks from China contain additives and binders, which could have a problematic effect on your drinking water.

Thanks to its high adsorption capacity, coconut-shell activated carbon is more effective at removing chlorine, heavy metals, pesticides, organic chemicals and unpleasant odours.

Our activated carbon blocks made from coconut shells not only offer better filtration properties, but are also more environmentally friendly and sustainable.


Water filter cartridge suitable for all other standard 20" BIG filter housings.

20" BIG filter dimensions:
Length: 508 mm
Width: 114 mm
Head opening: 26 mm
Max. temperature: up to 45 °C
Service life: approx. 6 months (depending on water quality and flow rate)


You will receive one filter packed in a box.