Our filter media is blended ,processed and independently tested by a NATA approved laboratory to meet FAWB and Water By Design guidelines and specifications.
Including AS4419 approval ,for use as a natural stormwater filter in bio retention basins and swales in large and small developments including residential commercial and industrial sites, specialised stormwater and drainage projects , blended from premium washed sand, loam and organic materials processed to strict specification to ensure quality and consistency.