The 3M Performance Spray Gun Poppet is a replacement part for the original poppet and seal included in the 3M Performance Spray Gun. It comes with 5 extra replacement seals.Use the 3M Performance Spray Gun Poppet to refresh the performance of your 3M Performance Spray Gun. Like any wearable parts on spray guns, the air seals and the poppet can wear out with frequent use. You can use this original replacement part to either replace the entire poppet or just the seal itself. For replacing the seal in the poppet, no additional tools are needed—you can use the blunt end of the 3M Performance Spray Gun Needle.