Pneumatic Launch System Upgrade Kit (Launch Panel and Air cylinder retrofit to existing pad)
Gauge, brass T-block, 2 quick couples.
This is needed if your compressor is: 1: located at a distance, or 2: You don't have a gauge or a reliable gauge on your bicycle pump or small compressor.
Gauge, brass T-block, 2 quick couples, regulator and mini-inline valve
This is needed if you have a large compressor. The regulator is used to adjust the pressure at the launch pad to the desired pressure. This is also a safety feature....it keeps the students from over-pressurizing their rockets.
3 liter nipple for the Pneumatic Ultimate Water Rocket Launch System
This item allows you to replace the 2 liter nipple on your Pneumatic Water Rocket Launch System with one that will launch 3 liter bottles. The two nipples are interchangeable. This nipple works only with the pneumatic launch pad.