The Festo 363664 with Filter cartridge; 40um; D; Size: maxi is a no-clogging and highly effective filter element designed for use in hydraulic systems. It features a large filtration capacity, with a 40 micron rating to remove finely-ground particles, dirt, and other contaminants from the oil. The filter can absorb and remove dust, particles, and other impurities from a large, maxi size. It also features a grid construction for strong and durable operation, as well as an integrated filter element made of epoxy-coated paper for a high presentation of collected contaminants. Together, these features ensure superior oil purity and performance in hydraulic systems.