Can be used as an oxygen chamber for various pets, such as dogs, cats, and birds. We believe that many people purchase this in an emergency, so we basically ship on the same day, or at the latest, the next day. Zeolite has been used for 532 hours out of 5000 hours, so the usage time is short, and it is still usable. Operation has been confirmed, and oxygen is being produced. An unused spray type tube (opened) will be included. https://amzn.asia/d/gznGTXO One filter has a used feel, but it may only be discolored, so it will be included as is. Please refer to the photos for other accessories. Please feel free to ask if you have any other questions. Size: 360 x 203 x 364mm Weight: 6.8kg Oxygen concentration: 90 ± 3% (1.5〜9L/min) Noise level: 44dB or less Continuous operating time: 168 hours or more *Requires a 30-minute break Concentration method: PSA method Power consumption: 105W Air pressure: 100KPA or less Included parts: Remote control, tubes, replacement filter, replacement water bottle Manufacturer: T & Company Co., Ltd.