Vent Mate: Pet Dander - Vent Filter Replacement 8 Pack Fibers Breathe Cleaner Air With Vent Mate Air Filters 8 Replacement Filters - Standard Vent Size Pet Dander Control - Electrostatic Filtration Captures Pet Dander, Hair, Fur & Dust Mites Optimized For Maximum Air Flow & Dust Retention - Will Not Restrict Air Flow Includes Resealable Bag & Installation Instructions