HYDRAULIC FILTER, SPIN-ON DONALDSON BLUE Why Choose Donaldson Alpha-Web™ Hydraulic Filters? Donaldson Alpha-Web™ hydraulic filters are designed to remove more contaminant in real world cyclic flow conditions: • Fluid cleanliness 2 ISO codes better than traditional synthetic media* • Up to 4x cleaner hydraulic fluid • Extended component life by up to 60%* • Provides the most protection for your hydraulic system   *Results from lab testing, field testing ongoing. According to the Equipment Life Extension Table by Noria Corporation, the industry-accepted authority on fluid cleanliness, an improvement in fluid cleanliness by two ISO codes can extend component life by 60 percent.