Compatible with fluids at NAS1638 Class 9 and ISO 4406 18/15 High flow - up to 1.2 Cv / 40.0 l/min Working pressure up to 7,540 psi / 520 bar Designed to supplement hydraulic system main filters This range of filters affords protection to vulnerable hydraulic components Considerably greater contamination holding capacity and flow capability Suitable as primary filters for low flow hydraulic systems, particularly hand pump units 3, 10 and 25 micron absolute filter rating