... ://oilpurifierken.en.ecplaza.net Features: 1. Mobile (trailer) type, completely closed structure, waterproof, dustproof, move easy. 2 ... remove water, gas, particles from oil 4. Multi-stage precision filtration system, mesh filtration combined with molecular adsorption ... will be power off automatically. Advantages: Mobile (trailer) type, completely closed structure, waterproof, dustproof, it can move ...