LEGO part 2793c01 - Trans-Clear Pneumatic Cylinder with 2 Inlets Medium (48mm) with Black Top at BrickScout
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Pneumatic Cylinder with 2 Inlets and Rounded End Medium (48mm) : Part 47224c01 | BrickLink
Modified LEGO Pneumatic Cylinder - V2 2x11 - Extra Large - 19467c01 – Green Gecko Workshop
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Mould King 19482 19476 Car Parts Pneumatic Cylinder Pneumatic Valves Pneumatic Tube For 42043 42009 Building Blocks Bricks - Blocks - AliExpress
Archívy Pneumatické / Pneumatic - LEGO® | Oficiálny obchod Legáčik
Amazon.com: Goshfun 32Pcs 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
How to Make a Small High RPM 1 Cylinder Lego Pneumatic Engine - 3000 RPM! - Smallest in the World!? - YouTube