Mould FanMei 35 pneumatic kits are compatible with Lego, including 10 types of technical pneumatic cylinders, MOC air pump piston pressure rods, suitable for crane van spare parts set : Amazon.co.uk: Business,
LEGO Two Way Pneumatic Cylinder (47225 / 63855) | Brick Owl - LEGO Marketplace
LEGO Technic Pneumatic Cylinder, No. 19467c01, V2, No. 19478, 26656, 1 PER ORDER | eBay