PLEASE BE SURE TO PROVIDE FULL SHIPPING ADDRESS AT TIME OF CHECKOUT, ESPESCIALLY IN THE PAYPAL APP. +3 304SS O2 Bung Cap O2Cap $4.75 In stock Quantity: 1 Add to Bag Product Details 304SS O2 bung thread in cap that is made for our weld in O2 bungs. M18x1.5 thread. Easily installed and removed with 3/8" Allen Head. Save this product for later Favorite