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Materials: Biodigester 1 1000 liter drum 1.5m 150mm PVC pipe 1 150mm cap (optional if the drum comes without the lid) 2 45° 75mm bends 1 75mm cap 1 black garden tap Steel wool filter 50cm 50mm brown pipe 1 50mm glue cap 1 50mm screw cap 1 50mm glue and thread adapter 2 20mm nipples 2 metal tap nozzles Other materials: 10 black hose clamps pipe glue thread seal PU gutter seal tractor inner tube The caustic soda filter was not made because we will wait for the methane gas production to see the real need.