Ultrafilter’s alternative range for Domnick Hunter Oil X  (before 2005)

PF – V-PE: Sintered Polyethylene with an absolute retention rate of 25 micron
AO – FF: Retention rate 99,9999 % at 0,01 micron, residual oil content 0,05 ppm
AA – MF: Retention rate 99,99998 % at 0,01 micron, residual oil content 0,03 ppm
AX – SMF: Retention rate 99,99999 % at 0,01 micron, residual oil content 0,01 ppm
ACS – AK: Residual oil content 0,003 ppm (with SMF-prefilter)