Easy to adjust: There is a valve at the entry which may avoid oily and you don't need to set the volume of oil mist again next time, you may adjust and select cool air or cool air plus oil mist easily.
Madaling ayusin: May ay isang balbula sa ang entry na maaaring maiwasan ang madulas at hindi mo na kailangan upang itakda ang dami ng langis dagim muli susunod na oras, maaari mong ayusin at piliin ang cool na hangin o cool na hangin plus langis dagim madali.