Sets that have x188: Technic Pneumatic Tubing
LEGO Black 4mm Diameter Pneumatic Hose 27.2 cm | Brick Owl - LEGO Marketplace
Amazon.com: SEEMEY 8Pcs Pneumatic-Parts, Pneumatic-Pump, Pneumatic-Cylinder, Pneumatic-Tube, Pneumatic-Valves, Pneumatic-Handpump, Pneumatic-Pack compatiable with Lego Technic : Industrial & Scientific
LEGO® 26440 6150244 - ToyPro
LEGO Technic Pneumatics - hose connector with axle connection
LEGO Black 4mm Diameter Pneumatic Hose 19.2 cm (24 Studs) (1662 / 63540) | Brick Owl - LEGO Marketplace
LEGO part 99021 - Dark Bluish Gray Pneumatic Hose Connector with Axle Connector at BrickScout
Bricker - Part LEGO - 5102c122 Hose, Pneumatic 4mm D. 122L / 97.6cm
Pneumatic Hose BLACK (5 meter) | BRICKshop - LEGO en DUPLO specialist
Lego pneumatics - Wikipedia
MOC Technical Parts 1 meters Pneumatic Tube Internal DIA 2mm External DIA 4mm Compatible with Lego for Kids Boys Toy 5102 21670 - AliExpress
LEGO 4mm Diameter Pneumatic Hose 23.2 cm | Brick Owl - LEGO Marketplace
Mould King MOC Parts Pneumatic Hose Air Pump Push Rod Putter Switch Piston Air Tank Pump for Pneumatic 47225 47223 19482 2793c01 - AliExpress
LEGO 2x Hose Pipe Pneumatic 4mm Diameter 17L/13.6cm 5102c17 New | eBay
Lego® 4697b, 6104209 pneumatic hose, T piece, black
Pneumatic Switchless Engine – Nico71's Technic Creations
Amazon.com: LEGO Pneumatic Hose 4mm Diameter (New Light Grey 12.8cm) : Everything Else
LEGO® 99021 6020189 - 6265669 - ToyPro
Pneumatic Tube (Hose) : Original Box 5102-1 | BrickLink
Quickun Pneumatic Tubing 8mm x 5mm PU Polyurethane Tube Air Hose Line for Air Compressor Fitting or Fluid Transfer (Blue 32.8ft/10Meters) - Amazon.com
LEGO Blue 4mm Diameter Pneumatic Hose 27.2 cm | Brick Owl - LEGO Marketplace
LEGO Black 4mm Diameter Pneumatic Hose 6.4 cm | Brick Owl - LEGO Marketplace
LEGO® 21835 6119490 - ToyPro
