Automatic litter boxes for pets, Litter boxes for pets, Cages for household pets, Grooming tools for pets, namely, combs and brushes, Hand-operated devices for scratching pets, Automatic pet waterers, Pet feeding and drinking bowls, Pet grooming devices comprising a built-in brush head and an attachment that connects to a water source, Pet grooming device comprising a sprayer nozzle and an attachment that connects to a water source and to a reservoir for a conditioning agent, pet grooming dev...