1004343B Hengst Size 11 (Type 1) Filter Element (R928018528, 18.9311 G40-F00-0-M)1004343B Hengst Size 11 (Type 1) Filter Element (R928018528, 18. 9311 G40 F00 0 M); The filter element serves as the fundamental component of industrial filtration, where the actual filtration process occurs. The diverse range of housing designs and sizes leads to a wide variety of inserted filter elements in different sizes and configurations.; The primary filter characteristics, including retention capacity, dirt holding capacity, and pressure loss,