Smelling aircons, how many time In a year a filter must be replaced?

On the way back from siem reap a sleep one night in nang rong!

There are not many resort avalible

That one I sleeped one night has

A terrible smelling aircon and a extreme intensive toilet spray

Could only go inside with a big towel over the face!

Since I read reports here that people died years ago in Chiang Mai still wondering why such kind of chemical Spray was not banned from sale!

How many time a aircon filters should replaced in one year!?

Some resorts should be close for public , but this is only a dream!

One or 2 tourists or expats less who cares?

On nat geographic was a report about SARS the virus come over the aircon!

Maybe in 10 years we all got our bill presented, from the low quality standards in the land of smell!

But then is to late !