41. Drews, now raising two younger daughters, has since placed a water filter on her kitchen faucet. 42. Have you boiled your water and installed a water filter / purifier just to be safe? 43. This week, UNICEF will distribute 150 medical kits and 4, 000 water filters . ( tt-kh) 44. Please help solve this mystery : water from a water filter turns slightly cloudy after boiling. 45. Oh, by the way, when you replace a water filter , first turn off the water supply. 46. It is now best known for inventing the LifeStraw water filter and the PermaNet mosquito net. 47. A week later they advised residents to continue using water filters and drink only bottled water. 48. Jack and Dal work on a sand water filter that allows them to drink rain water. 49. Visit www . brita . com for a list of the substances these water filters do remove. 50. Water filters are more popular among backpackers because they weigh less and don't take up much room.
