LEGO Blue Pneumatic Airtank 67c01 - Technic 8439, 8464, 8459, 8462, 8299 Tank | eBay
Lego Technic heavy duty tow truck 42128 (with air tank) : r/legotechnic
Lego Pneumatic MINI Cylinder (technic,pump,air,tank,switch,fittings,hose,car) | eBay
Pipe Pressure Gauge Sets | Pneumatic Pump | Building Block - Moc Building Block Sets - Aliexpress
1x Lego Technic Pneumatik Lufttank B-Ware abgenutzt Air TANK 67c01pb03
Amazon.com: TOYGA 30 Piece Pneumatic Kit Air Pressure Tanks Air Pressure Gauge Accessories Technology Pieces and Parts MOC Spare Parts Compatible with Lego : Toys & Games