Chuckit! Air Fetch Ball Dog Toy, Medium (2.5 Inch Diameter), for dogs 20-60 lbs, Pack of 2 Hawthorn we recommend replacing the filter

we recommend replacing the filter and sponge every 1-2weeks

and tough enough to handle any dents and dings

Four different textured areas are spreadable for all kinds of dog foods

When paired with durability

Chuckit! Air Fetch Ball Dog Toy, Medium (2.5 Inch Diameter), for dogs 20-60 lbs, Pack of 2 Hawthorn we recommend replacing the filterFeatures: Air Fetch Dog Ball: These high performance balls for dogs have a hollow, mesh like design that helps facilitate breathing and airflow into your dog's lungs while running and fetching; a breathable alternative to standard tennis balls Run Further, Fetch Longer: Chuckit! Dog Fetch Balls are compatible with Chuckit! Dog Ball Launchers. Can also be used as a treat toy for dog training by utilizing the openings to stuff dog treats inside. Also