K&N Sealing Grease 99-0703-1 provides an airtight fit around sealing surfaces on all types of air filter elements. It resists heat and will not melt or run off. K&N Sealing Grease is designed to maintain a seal in severe conditions. It is not to be used on clamp-on filter elements. K&N Sealing Grease part 99-0703-1 comes in a 1 ounce tube.