1012265B Hengst Tank Mounted Return Line Filter w/ Size 0400 Filter Element (R928046815, 10TEN0400-PWR3A00-P2,2-V-S8)1012265B Hengst Tank Mounted Return Line Filter w Size 0400 Filter Element (R928046815, 10TEN0400 PWR3A00 P2,2 V S8); Tank Mounted return line filters are designed for installation on fluid tanks. Their function is to separate solid materials from fluids. Features: Special highly efficient filer materials; Filtration of very fine particles and high dirt holding capacity across a broad pressure differential range High collapse resistance of filter