I'm clearing things out. Please, someone use this. I purchased this item, which had been used twice, with the intention of using it for my child, but I ended up not using it, so I'm listing it here. The cylinder replacement date is January 2019. Please replace the cylinder before use. As this item has been handled by another person, and is a product to be used in an emergency, I cannot be held responsible for any issues. Please use it at your own risk. To prevent swapping, no returns or exchanges will be accepted.