Appearance Visual As shown on drawing. Physical Mechanical Approx. Dimensions: 72.9mm diameter x 98.2mm height. Weight: 23g (approx.). Interfaces (ex: Input Output connectors): 22mm Male 22mm Female ISO Connectors. Operating temperature Range: N A Storage temperature Range: 5 C to 40 C. Bidirectional Filter. Biological Pyrogenicity: 0.3 EU ml Biocompatibility to ISO10993 Category - Surface device Contact - Skin Contact Duration - 24hrs Functional Air Flow Rate: 30l min, 60l min,