21 Candle warmers; Diffuser vessels for insect repellents; Electric candle warmers; Electric devices for attracting and killing insects; Electric diffusers for air fragrancing preparations; Electric diffusers for insect repellents; Electric fragrance diffusers incorporating night lights; Electromagnetic animal repellers; Electromagnetic mouse repellers; Electromagnetic pest repellers; Insect traps; Planaria traps for aquariums; Plug-in diffusers for insect repellents; Plug-in diffusers for mosquito repellents; Ultrasonic animal repellers; Ultrasonic aromatherapy diffusers; Ultrasonic essential oil diffusers; Ultrasonic mosquito repellers; Ultrasonic mouse repellers; Ultrasonic pest repellers