Pump Cup Neoprene for most lanterns
This is the gasket for the one piece filler caps. If your filler cap looks like the one pictured then this gasket is the correct one.
If your filler cap has a screw in the center of it then this gasket will not work.
The red filler cap is shown for illustration purposes only and is not included.
Small thin O ring for the common Coleman check valves. Made of gas resistant material.