NSH GER series Used Oil Regeneration System is particularly suitable to regenerate used internal-combustion engine oil including diesel engine oil, gasoline engine oil and used hydraulic oil, other used machinery’s lubrication oil. GER series are able to effectively remove colloid, oxid, acid, pitch, particles, impurities, water, gas in the used oil. Specially, GER can restore the color of used oil and remove the scent rapidly.