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Quetzalcoatl, A.C.
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Quetzalcoatl
Si le das un pez a un hombre le quitas el hambre un dia, si le enseñas a pescar sustentablemente, se la quitas para siempre...
(If you give a man a fish, you take away his hunger one day... if you teach him to fish sustainably, you take away his hunger forever...)

BioSand Filter

BioSand Filters remove 95.0 to 99.0% of organic contaminants, including bacteria, viruses, protozoa, worms, and particles.The water produced by the filters is free of discoloration, odor, and unpleasant taste , and can be used for drinking, food preparation, personal hygiene, and sanitation.

Advantages

  1. It is very inexpensive and easy to use.
  2. Purify 20 to 60 liters per day.
  3. You can remove arsenic from water (with a small adaptation)
  4. It is very durable
  5. The maintenance is easy.
  6. It takes very little space
    Publicado: 02/01/2009
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    "Si le das un pez a un hombre le quitas el hambre por un dia,
    si le enseñas a pescar sustentablemente, le quitas el hambre para siempre..."     Login