As for the pump, I don't mind filtering the oil - however, I do plan on upgrading to the oil-free pump eventually. My advice is togo with a size larger than you think you need, and if it's between being able to
Vacuum oil pump, stand-alone oil filter, stainless steel trays, and power cord. 主要特点 Requires little to no maintenance to operate Constructed with a durable stainless steel chamber and collector Ideal for countertops, carts, or tables