Material: Bowl: Polycarbonate. Housing: Zinc die-cast. O-ring seals: Synthetic elastomers. Filter element: Polypropylene. Medium: Compressed air. Operating pressure: Max. 10 bar. Max. flow: 28 l/s (Connection G 1/4). Operating pressure = 6.3 bar. Øp = 0.5 bar. Filter element 40 micrometer. Draining: Manual as standard.