Filter Balls are a filter media that can replace the silica sand inside of your sand filter system. They are reusable, eco-friendly and made from 100% polyethylene. These filter balls will last for years while filtering particles down to 3 microns.

Filter Balls have several benefits over using traditional silica sand.

● The flter ball has good water permeability and air permeability.

● It does not contain toxic and harmful substances and will not affect the water qualty.

● It is suitable for any agricultural environment (sea water and fresh water).

● 700g filter ball instead of 25kg sand.