Despite the best efforts of home and business owners, some rooms pick up an odour over time. This is especially true with pets around. Although perfumes and air fresheners hide the smell, they don't actually eliminate it. Air ionisers do, by exposing the odour-causing molecules to a catalyst (usually titanium dioxide) that neutralises them. A number of catalyst-coated compact fluorescent bulbs that serve as air ionisers and lights are on the market.
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Fresh 2 Compact Fluorescent Bulbs
Fresh 2 bulbs are coated with titanium dioxide, which releases oxidisers into the air that break down odours. To work best, place them in an uncovered light socket with plenty of airflow. As of November 2010, they were selling online for £12.90 for two bulbs, not including shipping and handling.
OZONE Lite Ozone Light Bulbs
These light bulbs work in the same way as the Fresh 2, by coating the bulb in titanium dioxide. They are available in standard, night light and full spectrum bulbs. As of November 2010, a standard bulb cost £25.3; a full spectrum for £29.8 and a night light for £12.70.
Sunlife Full Spectrum Air Cleaner
These titanium-coated compact fluorescent bulbs are sold online through Aviva Health Solutions and you can buy them at speciality health stores in the United States and Canada. As of November 2010, they were selling for £19.40 per bulb.
The Ionic Bulb
This bulb is the model commonly seen on TV infomercials. It functions in the same way as the others, using titanium dioxide to ionise odour. As of November 2010, it was selling online for £8.40 per bulb, plus £4.50 shipping and handling.
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