The size of the pores should be in micrometeres.
Filtration uses membranous filters that have tiny pores that let the liquid pass through but prevent bigger particles such as bacteria to pass through the filter. Therefore, the smaller the pore, the more likely the filter is to stop more things from going through it.
There are four types of membrane are Known as Reverse osmosis, , ultrafilteration and microfilteration in order of size.
To learn more about Filteration refer
https://brainly.com/question/8721538?
#SPJ4
