This is a great deal on an air purifier! Amazon has this Provirtec Pet Air Purifier + Four Washable Pre-Filters for only $69.99 when you use promo code MSMAP12P at checkout! This air purifier features a four-sided intake system that draws in floating dust and pet hair before they even hit the floor. This air purifier gets great ratings, and it is regularly $170! Sign up for a free trial of Amazon Prime to get free two-day shipping (and possibly one-day or same-day shipping!)