New to modded minecraft, why won't this work? The cobble goes to the main one but the gravel/sand don't go to the next one (from that main one) or go to the
A pneumatic tube hub in a Danish hospital. This is one of 6-7 similar hubs. A network of 15 km tubes with 164 stations can transfer samples across the giant hospital ground
Pneumatic Tube | Technic Pack Wiki | Fandom
Gpc 10 Pcs Air Pneumatic Fitting Quick Connector 4mm 6mm 8mm 10mm 12mm Male Thread 1/4 1/2 1/8 3/8 Compressed Hose Tube Pipe - Pneumatic Parts - AliExpress
Minecraft Tekkit Basics of Pneumatic Tubes and Filters.wmv - YouTube
Pneumatic Tube | Technic Pack Wiki | Fandom
Awesome Item Elevator And Pipe Transportation System For Minecraft 1.11 And Up! - YouTube
LEGO part 5102c07 - Dark Bluish Gray Hose, Pneumatic 4mm D. 7L / 5.6cm at BrickScout