Excellent air filter. With three large dogs carrying dust, dirt and who knows what else in the house this is a necessary element.  they do a good job and quiet operation
 

Hamilton Beach 04492 True-Air Tower Ionic Air Purifier

List Price:	$169.99
Price:	$67.90
You Save:	$102.09 (60%)

Product Features

True-Air Tower Ionic Air Purifier with Permanent HEPA filter can ever changing needs and is effective up to 99% at 0.5 microns for the removal of contaminants. Ultra-quiet, aerodynamic front grille, which dampens the noise levels. 4-speed automatic incl. The air quality sensor unit automatically detects when to adjust the fan speed to keep the air clean. The unit is rated for a room 180 square feet. The unit is Energy Star certified for very low power consumption and is 10 times more effective than other ionic air purifiers that brings.