Amazon.com: Build 19 Piece Pneumatic Kits with Technic Parts Contains Air Pump, Piston Pressure Rod, Air Lines, Pneumatic Parts Perfect for DIY, MOC Tech, Compatible with Lego (19) : Industrial & Scientific
Amazon.com: Habow 11Pcs Technic-Pneumatic-Cylinder kit Compatible with Lego-Pneumatic Technic-Parts Barometer Air-Tank Cylinders Air Pump Pressure Rod Switch Piston Hose MOC-Replacement-Parts. : Industrial & Scientific
Technical Constraints|technical Pneumatic Kit For Lego - Air Pump, Push Rods, Pistons, Pipe
Pneumatic Cylinder V2 1 x 11 : Part 21828c01 | BrickLink
LEGO Pneumatic Cylinder Old 48mm with Black Piston (4 Studs Long) | Brick Owl - LEGO Marketplace
Mould King M00009 Pneumatic Cylinder Yellow with 2 Inlets - BuildingToyStore.com
Pneumatic Cylinder Mirror Plate (C3WKQ8Q2B) by SevenStuds