41. Researchers will test air cleaners this year. 42. Other air cleaners operate by electrical attraction. 43. They catch smaller particles of dust, pollen and other indoor pollutants and keep your indoor air cleaner . 44. Valacer said I could try an air cleaner as a third, less than perfect line of defense. 45. The factory air cleaner was covered with a large round chromed cover, secured with a wing nut. 46. "You've got to ask the question, ` Is the air cleaner since I became governor ? "' 47. They say Bush has weakened anti-pollution standards and safeguards and squandered opportunities to make the air cleaner . 48. Even the incinerator improvements funded by the renewable energy fund will make the air cleaner for everyone. 49. It will become part of Honeywell's home and building controls unit, which produces thermostats and air cleaners . 50. SLOC pledged to make the air cleaner with an emission program reliant on businesses donating air pollution credits.
