Output 4 litres/hour* single distilled. Long life metal sheathed heater Safety thermostat protects still in the event of water supply failure Pyrex glass boiler and double coil condenser. Plumbing connections via screwthread connectors. Can be descaled without dismantling Bench or wall mounting. Water consumption 60 litres/hour Distillate quality: Conductivity 3 to 4?S/cm pH 5 to 6.5 Pyrogen free (output must be tested) Overall 500 x 150 x 450mm high. 3 year warranty (heating element only 1 year). Connection to the Mains by means of an RCD isolation circuit breaker. Merit Water Still W4000 Non Stock Item.