0,6 liters Adjustable flow rate: from 1 to 3 cm3 (PM 13) from 2 to 6 cm3 (PM 26) Sizes: 85 x 72 x 175-202h (PM 13) 85 x 72 x 173-203h (PM 26) Volumetric manual pump; each activation tallies with the pre-set quantity of lubricant. The lubricant is delivered by a plunger piston driven by a mechanical spring, suitably sized and preloaded.