NSTW | Electricity-free water filter and other tech exhibits

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nstw water filter Developed by DOST?s Industrial Technology Development Institute, the filter, which is lodged in a plastic container, is made of red clay and coated with nano anti-microbial agent to eliminate water-borne microorganisms. It purifies tap water, deep well water and raw water from ponds and springs. It is a more affordable alternative to regular water filters and does not need electricity. [gallery type="slideshow" ids="19807,19808,19809,19810"]]]>

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