Can i get the many samples of filter.

  • abdash


    can i please be assisted with tha many samples of biosand filters inform of drawings & the like apart from the filter made of concrete.Any one can paste into my e-mail adress( will appreciate any form of assistance.thanks.
    how many types of biosand filters can you produce.
    can i attend any of your trainings in kenya for free.

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abdashCan i get the many samples of filter.