11. The sure winners in this theological tizzy are plumbers and water filter entrepreneurs. 12. The October, 1999 issue of Consumer Reports reviewed faucet-mounted and carafe water filters . 13. There are challenges to creating biosand water filters in developing countries. 14. His regular tank, which includes a water filter , sat silent on the floor. 15. Replace the ice / water filter ( if equipped ) every six months. 16. Water filters appropriate for crypto cost $ 20 to $ 500.17. It has a solar-powered water filter , which provides drinking water for the whole trip. 18. Over in the camping section, even the humble water filter assumes an intimidating mien. 19. Water filters -- from single-cup traveler models to devices that pump gallons-- are another possibility.20. Care should be taken, however, when choosing a water filter .
