1004569B Hengst Tank Breathing Filter Size 4-50 (R928018848, TLF II 4-50 P25-S00-000-00M00)1004569B Hengst Tank Breathing Filter Size 4 50 (R928018848, TLF II 4 50 P25 S00 000 00M00); Breathing filters are used in hydraulic system for breathing and bleeding air from the hydraulic tank. They are mounted directly on the tank. Features: Highly efficient, special filter material; Filtration of ultra fine particles and high dirt holding capacity Use of Aquasorb filter material minimizes the risk of corrosion in the hydraulic tank; Replaceable