Is this air filter a good one?

Question:http://www.homedepot.com/webapp/wcs/stor...

I don't want to buy anything until I know it's worth awhile, Noise won't be an issue, I just need something so I can get rid of pet allergies in the bed room

Answers:
It does a good job but beware of the square footage limitation. 170 sq ft is only a 10'X17' room. If you have a central AC system you can get a similar type filter for about twice the price but it will cover your whole house.