12 Pack Arm & Hammer Odor Allergen / Pet Dander Control Air Filters On Sale $54.99 (Reg $99) This post may contain affiliate links. See disclosure policy for more details. November 21, 2017 by Heather Leave a Comment Home Depot is offering a deal every single day and today’s deal rocks! Grab this 12 Pack Arm & Hammer Odor Allergen / Pet Dander Control Air Filters for just $54.99 (Reg $99). This is a significant savings and might just ensure you actually change the darn thing once a month like you are supposed to! Enjoy! Thanks Jess!