Total Dacnis SH – compressor oil product line. PAO-based synthetic oil for screw compressors Total Dacnis SH has lubrication and cooling applications for the following types of air compressors: Screw compressors (ISO VG 32, 46, 68), air compressors piston (ISO VG 100). Recommended whenever the exhaust temperature exceeds 90 ° C and / or the exhaust pressure exceeds 10 bar.