Need recommandation

[Guest air purify filter]

I'm thinking to buy a new air filter as our old one is broken. I was going to buy the one from SharpImage, but I'm confused after I read the consumer report. Here are the links:

 

http://www.consumersunion.org/pub/core_pro...ety/000574.html

http://www.consumersearch.com/www/house_an.../fullstory.html

 

Any recommandation is appreciate!

 

Thanks!

 

Jean