Essentially there are 3 different types of filter:

  • Standard Allergen (MERV 8):  This lets the most "stuff" pass through it.  Think of it as a "light duty" air filter.

  • Superior Allergen (MERV 11):  This is your standard air filter recommended for most homes.  It captures most of the nasty stuff found in typical homes.

  • Premium Allergen (MERV 13):  This one is big time.  If you have multiple pets, smoke in your house or are hyper sensitive to airborne allergens then this guy is for you.