| ★ |  Tanzanian scientist invents low cost water filter Video Reuters | | 46 | Perú | |
| 17 |  Amazing Invention by a 60-Year-Old Plumber! A PVC Wastewater Filtration System Every Home Needs | | — | Estados Unidos | 85 |
| 4 |  Nobel Scientist Creates Device to Harvest Water From Desert Air | | 4.3M | Reino Unido | 86 |
| 11 |  This man from Karnataka made the most affordable water filter | | 628.4K | India | 85 |
| 14 |  Amazing Invention by a 60-Year-Old Plumber! A PVC Wastewater Filtration System Every Home Needs | | 61.1K | Estados Unidos | 85 |
| 16 |  Very Few People Know This Amazing Invention! Free Water Source from PVC Pipes + a Plastic Container | | 12.4K | Estados Unidos | 85 |
| 19 |  Very Few People Know This! My Grandfather’s Sand Charcoal Water Filter Still Works After 60 Years | | 4.8K | Estados Unidos | 85 |
| 20 |  Innovative Device Produces Free Water Daily#Facts #New #Trending #Knowledge #Viral #Science #Latest | | 3.4K | — | 85 |
| 10 |  Homemade Water Filter With Bottle: Easy Trick! #shorts #water #experiment | | 3.3K | Reino Unido | 85 |
| 13 |  Genius Invention by a 65-Year-Old Plumber! Free Water Purification That Works After 30 Years | | 2.4K | Estados Unidos | 85 |
| 3 |  $5 Emergency Water Filter | OpenSourceLowTech @opensourcelowtech | 2.1K | Australia | 86 |
| 9 |  Desi Water Filter System. No Electricity No Expenses Free Water Filter #invention | Desi Ideas & Creativity @desiideascreativity | 279 | India | 85 |
| 1 |  Faith Kuya, Tanzania | 2026 Africa Prize for Engineering Innovation shortlist | Royal Academy of Engineering @royalacademyofengineering | 201 | Reino Unido | 87 |
| 8 |  Turning Air Into Drinking Water 🌍 Breakthrough Tech Could End Droughts! #WaterTech #greenenergy | EcoInnovaTech @ecoinnovatech | 161 | Australia | 86 |
| 2 |  Tadala Mtimuni, Malawi | 2026 Africa Prize for Engineering Innovation shortlist | Royal Academy of Engineering @royalacademyofengineering | 134 | Reino Unido | 87 |
| 7 |  Creating clean water from the air. Exploring super-absorbent hydrogels with Dr Youhong Nancy Guo | Future Here Show @futurehere | 75 | Reino Unido | 86 |
| 12 |  Derick Nwasor, Nigeria | 2026 Africa Prize for Engineering Innovation shortlist | Royal Academy of Engineering @royalacademyofengineering | 74 | Reino Unido | 85 |
| 5 |  Revolutionize Water Treatment with NanoAI 💧⚡️💡 | Innovate Sustainably @innovatesustainably | 8 | India | 86 |
| 18 |  How Do Water Filter Components Purify Water? | Survival Skills for Everyone @survivalskillsforeveryone | 8 | Estados Unidos | 85 |
| 15 |  Probamos nuestro filtro multiusos en la Universidad de los Andes, Colombia. | Fundación The Social Water @thesocialwater | 6 | — | 85 |
| 6 |  Nanotechnology's BIG Impact on Water Purification 2024 | Blue Current @bluecurrent7 | 0 | India | 86 |