You love your furry friends, and you consider your pets to be a true part of the family. However, you also know that the pets have dander and they can shed, and this can cause problems with the quality of air in the house. Having clean air in the home is essential and having the right air filters in place can help immensely with this. However, you do need to make sure you are getting the right type and quality of air filter that can deal with all of the pet dander and fur. This means you need to understand MERV filter ratings.