Caution! 
The Teri universal HEPA filter is suitable for all Teri built-in and portable vacuum cleaners that have a CE mark (European certificate) on the side metal plate, where the switch and model information are located.
100% filtration! 
This is an innovative HEPA filter, manufactured by Teri.
HEPA filter for portable Nail Dust Collectors is installed in front of the fan, which prevents dust from blowing when the filter is clogged, unlike a bag.
It also protects the fan and electronics from getting dusty, which makes Teri a long-lasting dust collector!
The filter should be changed once a month.