Pneumatic Cylinder with 2 Inlets Small (32mm) : Part x189c01 | BrickLink
Amazon.com: Build 19 Piece Pneumatic Kits with Technik Parts Contains Air Pump, Piston Pressure Rod, Cylinder,Pneumatic Hose &More,Great for DIY, MOC Tech, Compatible with Lego : Toys & Games
Mould King 19482 19476 High-tech Car Parts Pneumatic Cylinder Pneumatic Valves Pneumatic Tube For 42043 42009 Building Blocks - Blocks - AliExpress
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
LEGO part 47224c01 - Yellow Pneumatic Cylinder with 2 Inlets and Rounded End Medium (48mm) at BrickScout
LEGO® 21828c01 6099775 - ToyPro
Amazon.com: LEGO Technic 4 pcs NEW YELLOW MINI PNEUMATIC PISTON CYLINDERS Air pressure Pump pack lot set switch hose small little robot robotics : Toys & Games
High Tech Parts Blue Pneumatic Pump Small (6L) V2 with Reinforced Cylinder 19475 2793C01 1x5/2x6 Compatible with MOC 8800 Blocks|Blocks| - AliExpress
LEGO Two Way Pneumatic Cylinder (47225 / 63855) | Brick Owl - LEGO Marketplace
LEGO part 2793c01 - Trans-Clear Pneumatic Cylinder with 2 Inlets Medium (48mm) with Black Top at BrickScout
Modified LEGO Pneumatic Cylinder - V2 2x11 - Extra Large - 19467c01 – Green Gecko Workshop