1. Heat of 60’c and above
- it takes 5hours of exposure under direct sunlight to reach 50’c
- it requires great effort to move furniture eg mattress, sofa etc outdoor. Rainy season adds on to the inconvenience
2. Vacuum machine
- feces and decaying bodies of dust mites can cause dust mites allergy. It’s necessary to vacuum the dead mites
- vacuum machines targeting at dust mites removal are heavy, bulky and pricey
- it takes 5hours of exposure under direct sunlight to reach 50’c
- it requires great effort to move furniture eg mattress, sofa etc outdoor. Rainy season adds on to the inconvenience
2. Vacuum machine
- feces and decaying bodies of dust mites can cause dust mites allergy. It’s necessary to vacuum the dead mites
- vacuum machines targeting at dust mites removal are heavy, bulky and pricey