Lego compatible pneumatic tube
LEGO PART 99021 Pneumatic Hose Connector with Axle Connector | Rebrickable - Build with LEGO
LEGO® 5102c33 4631300
Quickun Pneumatic Tubing 6mm x 4mm PU Polyurethane Tube Air Hose Line for Air Compressor Fitting or Fluid Transfer ( Black 32.8ft/10Meters ) - - Amazon.com
Quickun Pneumatic Tubing 12mm x 8mm PU Polyurethane Tube Air Hose Line for Air Compressor Fitting or Fluid Transfer ( Blue 32.8ft/10Meters ) - - Amazon.com
Pneumatic Hose Connector with Axle Connector
LEGO® 5102c54 4631295
Lego compatible pneumatic tube
LEGO - Hose, Pneumatic 4mm D. 53L / 16.5 inches - Light Gray | eBay
Hose compatible with Lego Pneumatic Parts (technic,air,tank,pump,cylinder) | eBay
![BrickLink - Part 5102c54 : LEGO Hose, Pneumatic 4mm D. 54L / 43.2cm [Hose, Pneumatic 4mm D.] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PL/5102c54.png "BrickLink - Part 5102c54 : LEGO Hose, Pneumatic 4mm D. 54L / 43.2cm [Hose, Pneumatic 4mm D.] - BrickLink Reference Catalog")
BrickLink - Part 5102c54 : LEGO Hose, Pneumatic 4mm D. 54L / 43.2cm [Hose, Pneumatic 4mm D.] - BrickLink Reference Catalog
![BrickLink - Original Box 5102-1 : LEGO Pneumatic Tube (Hose) [Service Packs: Technic] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/OL/5102-1.png "BrickLink - Original Box 5102-1 : LEGO Pneumatic Tube (Hose) [Service Packs: Technic] - BrickLink Reference Catalog")
BrickLink - Original Box 5102-1 : LEGO Pneumatic Tube (Hose) [Service Packs: Technic] - BrickLink Reference Catalog
Pneumatic Wheel
Sheepo's Garage: Alternative parts for rare soft axles
Technic Tube - Flexible - LEGO® Black Pneumatic Tube 600MM - 1915 - The shop Briques Passion
Amazon.com: LEGO Pneumatic Set, Hoses, Connectors, Cylinders, Valve Switches : Everything Else
LEGO Black 4mm Diameter Pneumatic Hose 19.2 cm (24 Studs) (63540) | Brick Owl - LEGO Marketplace
Unique Bargains 6mm OD x 4mm ID Polyurethane PU Pneumatic Air Tubing Pipe Hose 20ft Blue - Walmart.com
8mm x 5mm Polyurethane Pneumatic PU Air Tube Tubing Pipe Hose Blue 17.2M Length - Walmart.com
![BrickLink - Part 5102c154 : LEGO Hose, Pneumatic 4mm D. 154L / 123.2cm [Hose, Pneumatic 4mm D.] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PL/5102c154.png "BrickLink - Part 5102c154 : LEGO Hose, Pneumatic 4mm D. 154L / 123.2cm [Hose, Pneumatic 4mm D.] - BrickLink Reference Catalog")
BrickLink - Part 5102c154 : LEGO Hose, Pneumatic 4mm D. 154L / 123.2cm [Hose, Pneumatic 4mm D.] - BrickLink Reference Catalog
Lego pneumatics - Wikipedia
Third party pneumatic hose - specification? - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
Hose compatible with Lego Pneumatic Parts (air,tank,cylinder,pump,technic,car) | eBay
1/4 in. OD Polyurethane Pneumatic Tubing - AndyMark, Inc
LEGO part 5102c07 - Dark Bluish Gray Hose, Pneumatic 4mm D. 7L / 5.6cm at BrickScout
![BrickLink - Set 970119-1 : LEGO Pneumatic Tubing [Educational & Dacta:Service Packs:Technic] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/SL/970119-1.png "BrickLink - Set 970119-1 : LEGO Pneumatic Tubing [Educational & Dacta:Service Packs:Technic] - BrickLink Reference Catalog")