Foam filter bead is spherical filter from imported white
polystyrene resin pellets made of high temperature twice foam, foam
extent of more than 40 times the raw material particles.
This product has a light weight, large surface area, adsorption
ability, not broken, high porosity, high filtration rate,
decontamination capability, media uniformity, long life and other
Particle size 0.8-1.2mm, bulk density: 80Kg / m3, porosity: 50%.