Apple's line of PowerBook laptops was intended for the professional and power users. The PowerBook line includes the PowerBook 100, Duo, 500, and 5300 Series; the PowerBook 1400, 2400, 3400; the PowerBook G3, G4 Titanium, and G4 Aluminum.
Two part cleaner dissolves old thermal paste on heat sinks and processors. One 30 ml bottle of thermal material remover and one 30 ml bottle of thermal surface purifier.