Perlite Filter Media
Perlite powder, it's one of many forms of perlite rock. It goes through grading, high-heat expansion, smash, and screening into different sizes.
Perlite has many forms, from rock to powder, and different sizes are widely used in many industries.
In the water treatment industry, we use perlite powder as filtrate media.
Compare to the traditional silica sand filter, perlite powder can filtrate down to 10 microns
Filtration ability is higher in just a Single-pass
(Below photos were taken by GoPro without editing)