for around @2980 (http://www.cyeshop.com/cy/indexEN/sub_promo_ACleaner_Sharp_FU-W40A.asp)
breath easy with this baby on a day when the pollution code hits 7 or higher (and you get 30-60 or more of those each year), this baby sucks the filth form the air and lets you sleep easily*.

The main function
High concentrations of the PCI
- Built-in HD ion generator, to produce high concentrations of the PCI 
- effectively suppress airborne viruses, bacteria and allergens, can also inhibit the growth of mold  and odor removal

Microbiological control with HEPA filter
- filtration efficacy up to 99.97% * 1
- can effectively filter dust particles, smoke cigarettes * 2 and pollen 
- inhibit microbial growth

Washable carbon filter, with strong deodorant efficacy, to remove a variety of odors, such as cigarette smoke * 2 , Manual @ http://www.sharp.com.hk/html/product_files/FU-W40A_English.pdf,
* Note: all claims totally unscientifically 'proven'.

* * collect from Yau Tong only