All the Specifications mentioned in our Meteorological Balloons Product Data Sheets are based on performance tests conducted in our factory by the Quality Control Department. Each Weather Balloon is inflated, inspected, and tested before being dusted and sealed in a moistureproof polyethylene bag. They may be what is oxymorphone stored for up to 10 years if kept in a cool, dark room.
Do not hesitate to contact us to review our Meteorological Balloons Prices & Specifications!