It came out of storage. I don't have any knowledge, so I don't know if it can be used. Please understand that I cannot guarantee any defects. *Below is AI-generated text. This is a scuba diving regulator set with a gauge. The words "APOLLO" and "AQUARIUS" can be seen in the images. There are scuffs and small scratches from use, as well as dullness on the metal parts. Please check the photos and purchase with the understanding that this is a used item. It will be shipped with simple packaging.