Arc Union presents a high-quality dual mylar and helium balloon filler valve tank regulator. This tank regulator is made of rubber and brass material.
Balloon Regulator
Helium Tank Regulator
YaeTek Balloon Inflator Dual Mylar and Helium Latex
2 R F0 - Divers Supply, Inc.
Lessons in Electronic Circuits I - Sabrina Raaf
Helium & Nitrous Oxide (N2O) Valve / W0179 - 1003333
Complete Stories, by Rudy Rucker
Balloon Valves
Balloon Valve