Airbrush The Olympos HP-18-BC is a highly sought-after, vintage Japanese double-action airbrush. Featuring a side-feed mechanism, it is celebrated for its incredibly smooth trigger action and fine detail control. Key SpecificationsType: Dual-Action, Side-FeedDesign: Internal MixHeritage: Originally manufactured in Japan by Olympos; its foundational engineering inspired the current Iwata High Performance Series $125.00