Parker O-Lube 2oz Tube (size 884-2) Parker O-Lube is a general purpose grease O-Ring lubricant intended for use with seals that perform in hydrocarbon service and can also be used in pneumatic service Not recommended for silicone, butyl, or ethylene propylene rubber, or for use in systems with micronic filters Search Amazon for " Universal O-Ring Lubricant" for a more a lubricant more universally recommended Parker O-Lube 2oz tube (size 884-2), a general purpose grease O-Ring lubricant intended for use with seals that perform in hydrocarbon service and can also be used in pneumatic service. Not recommended for silicone, butyl, or ethylene propylene rubber, or for use in systems with micronic filters. Consider Marco Rubber Universal O-Ring Lubricant for more demanding applications.