Use an airline from oxygen mask to fit the connector size of .208" (5.43mm). You will need to slice the model so the laminations add strength and help make a good shape for the O-ring. An O-ring about 5/8" outer diameter and 3/8" inside diameter to seal the air.
2 Likes9 DownloadsAugust 21, 2022
2 Likes9 DownloadsAugust 21, 2022