Quantity   Component name
1 × Life Filter from china. Which is responsible of removing 99% bacteria and viruses cost 4.2$ USD https://www.alibaba.com/product-detail/Life-Personal-Mini-Water-Filter-Straw_60452364341.html?spm=a2700.7724857.main07.10.57f6f75apaxe2R
1 × Battery,DC pump, Electron bord and its hosing Cost 7.1$ USD from local stroe of pakistan
1 × Electric tape, house hold net chloth,botal and glue. Cost 0.5$ USD from local stroe of pakistan