1" Tri Clamp/Tri Clover Viton Gasket
These viton gaskets are good for use with butane. They are not good for use with ethanol. Viton gaskets provide an indefinite seal for temperatures up to 400°F. For temperatures up to 600°F, they offer an excellent seal for more than 48 hours. Viton gaskets also have excellent resistance to oxidation, ozone, UV exposure, weather, fungus and mold.