Full definition
FRL element removing solid particles, liquid water, and oil aerosols from compressed air. Filtration grades per ISO 8573-1: class 3 (particles ≤5 µm), class 2 (≤1 µm), class 1 (≤0.1 µm). Water separation efficiency: >99%. Replaceable filter elements: polyester, glass fiber, or PTFE. Brands: Festo (LF/MS-F), SMC (AMD/AFF), Parker (P3NFA), Donaldson, Walker Filtration.