'Khus' in air coolers

What does 'khus' mean?

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For have/has, can you show us a complete sentence, please?

Thanks!

That dry grass like thing that you see in air coolers (and also in the link I posted.)

I have a feeling that the air coolers that are in abundance in my country may not be easily confronted in the US or Canada; these are cold countries. Perhaps this is why I couldn’t find the equivalent of khus in English.

My PS question was from my original

Do you mean a filter?

Confronted is not correct. Perhaps you mean found.

Hi

I'm not quite clear on what you mean. The pictures that you've linked to seem to show two components:

- There is a material that soaks up the humidity from the air and that makes the air feel fresher. That material can be referred to as the desiccant

- In addition, there may be drops of a perfume added to the desiccant, to give the inside area a more pleasant

Some parts of the US get quite hot in the summer. Where I live (central North Carolina), the average high at this time of year is around 30°C, while in Phoenix, Arizona, the average high at this time of year is around 40°C. Most people in the warmer parts of the country have air conditioning in their homes, either a central system or window-mounted units.

'has become'
The subject of the sentence is '"one" of those words.' Therefore, the subject is singular and the correct option is : 'has become.' (Please search for subject-verb agreement on the internet if you still are confused about this concept).