The NMEA-splitter is a highly configurable hub for interconnecting devices such as Flight Recorders, FLARMs, PDA/PNA, displays, navigation/variometer systems. The splitter admits you to provide data from one source to multiple devices. It´s sold as a "assembly yourself" kit.
This dual stage DIN regulator allows the useful pressure of a cylinder to be spent down to about 10 psi above the regulating pressure. This will still yield the specified flow rate for the application while maintaining specified pressure and flow requirements.