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STONEmaster: Filter Drain Recycling

STONEmaster is Carnell’s patented in-situ filter drain refurbishment process. This environmentally sustainable method reduces HGV transfers, imported stone from quarries and loads to landfill. The STONEmaster units recycle the filter drain media on-site removing only material not conforming to Type B specification, returning a ‘better than new’ product to the drain.