Animal-activated pet feeders that include dispensers for releasing pet toy feeder balls with pet food and pet treats therein; Cleaning sponges; Filtering materials, namely, filtering materials made of cellular glass and cellular glass particles for use as a filtering media in sewage and waste water treatment; Grooming tools for pets, namely, combs and brushes; Manually actuated pump dispensers for attachment to containers for use in dispensing liquids; Non-mechanized pet waterers in the natur...