1.   An air cleaner must be able to circulate large volumes of air through an efficient filter.

2.   And allergy sufferers can buy air cleaners of all types and sizes, as well as vacuum cleaners that prevent house dust from escaping back into the air.

3.   Back when the hardware stores were selling out of filter masks and air cleaners.

4.   Effective strategies for controlling indoor pollution consist of identifying and eliminating the sources, improving ventilation and circulation and adding air cleaners.

5.   Glitches with new air cleaners and water filters delayed their shipment, and El Nino rains and a grill recall combined to lower grill sales, he said.

6.   However air cleaners can provide relief and allow the owner and pet to co-exist.

7.   It helps to do a bit of research before plunging into the wonderland of air cleaners.

8.   Other air cleaners operate by electrical attraction.

9.   Researchers will test air cleaners this year.

10.   Speed will be governed by an air cleaner that has been changed to limit air flow, thus hampering engine performance.