21 fragrance oil burners; plug-in diffusers for air fragrances; electric diffusers for air fragrancing preparations; non-electric diffusers for air fragrancing preparations; electric warmers to melt scented wax tarts; non-electric warmers for use with tea candles to melt scented wax tarts; plates for diffusing aromatic oil; plug in diffusers for aromatic oils; plug-in diffusers for air fragrances; vaporizers being electric aromatic oil diffusers; non-electric aromatic oil diffusers, other than reed diffusers; electric aromatherapy diffusers; tea light essential oil diffusers; candle warmers; incense burners