Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 14x25x1-In. Merck 4 holes in this high-bouncing

4 holes in this high-bouncing rubber ball produce a whistle as air passes through to keep your dog interested

indoors and outdoors

Teflon seats

plus more exercise in less time with all Chuckit

Pure Vegetable Base

Pleated Furnace Filter, Ultra Allergen Reduction, 3-Month, Purple, 14x25x1-In. Merck 4 holes in this high-bouncing14" x 25" x 1", purple, ultra allergen filtrete filter, 90% effective at capturing large allergens like mold spores & pet dander, captures microscopic allergens like dust, smoke & smog, captures bacteria & particles that can carry viruses, meets the guidelines of the American lung association health house program. Mpr rating 1500, filter lasts for 90 days, color purple.