... orderSpecifications 1.Biodiesel engine oil purifier, 2.Oil refined,oil remover, 3.Oil cleansing machine, 4.Oil separator with good ... Closed type filtering system use stainless steel mesh, reliable, no pollution. Two filtering units can realize continuous ... oil properties, restoring oil performance.5. Efficient electric heating system, heating uniformity, less power consumption, safe, and reliable.6 ...