MOC Technical Parts 1 meters Pneumatic Tube Internal DIA 2mm External DIA 4mm Compatible with Lego for Kids Boys Toy 5102 21670 _ - AliExpress Mobile
LEGO part 5102c40 - Black Hose, Pneumatic 4mm D. 40L / 32.0cm at BrickScout
Quickun Pneumatic Tubing 8mm x 5mm PU Polyurethane Tube Air Hose Line for Air Compressor Fitting or Fluid Transfer (Orange 32.8ft/10Meters) - Amazon.com
Moc Parts Pneumatic Hose Air Pump Push Rod Putter Switch Piston Air Tank Pump Compatible With Legoeds Pneumatic Building Blocks - Iot Accessories - AliExpress
Bricker - Part LEGO - 5102c200 Hose, Pneumatic 4mm D. 200L / 160.0cm
Lego® 4697b, 4211508 pneumatic hose, T piece, light bluish gray
LEGO 5102 Technic Pneumatic Tube Black and Grey 60 and 100 cm | BrickEconomy
LEGO Black 4mm Diameter Pneumatic Hose 27.2 cm | Brick Owl - LEGO Marketplace
LEGO Black 4mm Diameter Pneumatic Hose 24 cm | Brick Owl - LEGO Marketplace
Moc Technical Parts 1 Meters Technical Pneumatic Tube Internal Dia 2mm External Dia 4mm Compatible With Lego For Kids Boys Toy - Blocks - AliExpress
Pneumatic hose compatible with Lego + Lego brand fittings & connectors (Choose) | eBay
Quickun Pneumatic Tubing 6mm x 4mm PU Polyurethane Tube Air Hose Line for Air Compressor Fitting or Fluid Transfer (Clear 32.8ft/10Meters) - Amazon.com