Technic Parts, Pneumatic Kits With Pneumatic Pump Small V2 Building Blocks With Reinforced Cylinder, Air Pump Push Rod Switch Piston, Air Pipe Pneumatic Fittings Toy - Temu
LEGO Blue 4mm Diameter Pneumatic Hose 27.2 cm | Brick Owl - LEGO Marketplace
Lego Technic Blue Pneumatic Hose 1 metre Length - Ideal Replacement | eBay
LEGO Black 4mm Diameter Pneumatic Hose 19.2 cm (24 Studs) (1662 / 63540) | Brick Owl - LEGO Marketplace
LEGO® 21835 6119490 - ToyPro
MOC Technical Parts 1 meters Pneumatic Tube Internal DIA 2mm External DIA 4mm Compatible with Lego for Kids Boys Toy 5102 21670 - AliExpress
Pneumatic hose compatible with Lego + Lego brand fittings & connectors (Choose) | eBay
Amazon.com: TEESE 21pcs Pneumatic-Kits Compatible with Lego-Technic-Parts, Piston-Pressure-Rod, Air-Pump-Cylinder-Hose, MOC Car Truck Replacement Parts : Toys & Games