The Air Purified Energy Saving Lamp was specifically designed for smaller light fixtures

Negative Ion Bulb Features:
1) Air purifying: patent protected  2) Creates large quantity of anion to freshen the air
3) Elimination of poisons: can eliminate various harmful germs and various
    poisonous volatilizing chemicals in the air (such as benzene, toluene,
    formaldehyde and ammonia)
4) Elimination of smell  5) Rapidly dispel smoke
6) Long life: up to 6,000 / 8,000 / 10,000hrs
7) 1-year guarantee
8) Energy efficient: save up to 75% energy costs
9) Phosphors powder enhances lumen efficacy and color rendering
10) High light output
11) Applications: bedroom, lobby, toilet, kitchen, scriptorium, assembly room,
      smoking room, hotel, KTV, barroom, school, supermarket and library.