https://www.facebook.com/IdeaCroronKa.Neo/videos/556646678040822
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کوئی سمجھ نہیں آئی اس ایجاد کی یہ تو ، انگریز نے بہت پہلے کا نہیں بنایا ہوا ؟
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any one can explain?
...existing filter pore size is usually 1 micron ( 0.000001 meter) whereas this invention's filter pore size is 10 nano meter (0.000000010 meter).
The great advantage of this filter is portability, simplicity and ultra accuracy. You can not travel every where with exiting filter jug. Furthermore, this new filter will last for two years as claimed by the inventor.
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