Synthetic Lubricants & Filters, Inc. or SLFi began selling synthetic air compressor oil in 1980 for a major distributor of air compressor equipment. Beginning 1985, SLFi moved to a dedicated synthetic oil blender who sold PAO synthetic blended basestocks for general industry. SLFi remained that blenders top sales force for 12 years. Realizing that one synthetic basestock type did not do the whole job, SLFi decided to begin blending a variety of synthetics beginning 2001. Since moving to our own blending facility, SLFi has doubled it’s business.