| Answer | Crossword Clue |
|---|---|
| PUR | Big water filtration brand |
| BRITA | Big name in water filtration |
| EVIAN | Big bottled water brand |
| REVERSEOSMOSIS | Water filtration process |
| OSMOTIC | Kind of pressure involved in water filtration |
| ultrafiltration | filtration through a medium (as a semipermeable capillary wall) which allows small molecules (as of water) to pass but holds back larger ones (as of protein) |
