This is the most common, most used gasket and is what comes with the newer Graco tip extensions.
for;

• 240-040 - 10"
• 240-041 - 15"
• 240-042 - 20"
• 240-043 - 30"
• 287019 - 10"
• 287020 - 15"
• 287021 - 20"
• 287022 - 30"