Pneumatic AIR TANK KIT PRO with cylinder,pump,etc (Hose is compatible with Lego) | eBay
LEGO® bb0875 6152131
Amazon.com: Goshfun 19Pcs 10-Kinds MOC Pneumatic Parts Bricks with Air Pump Push Rod Switch Piston Air Pipe, DIY Small Particle Stem Building Blocks Toy Set Compatible with Lego, Random Color of Air
Technic Parts for Lego Kit Pneumatic pump Small 6L V2 19476 Building Blocks Sets | eBay
Pneumatic Cylinder Disassembly & Lubrication Findings - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
Pneumatic Wheel
Amazon.com: Build 35 Piece Pneumatic Kits with Technik Parts Contains Air Pump, Piston Pressure Rod, Air Lines, Pneumatic Parts Perfect for DIY, MOC Tech, Compatible with Lego : Toys & Games