Keep poison out of the home and away from your family. All natural and eco-friendly. Works great with FleaVac hose attachment system. Kill Pellets are harmless to pets and people. Kill Pellets go inside any household vacuum instead of covering your home with pesticides. Kills all four stages of the Flea Life-Cycle: adult, eggs, larvae, and pupae. Most affordable and effective way to treat your home. Contains 2 Kill Pellet Pucks.