With the bulletproof design of the Hollis HP5 first stage the H-O2 Tech Regulator is certified for up to 100% oxygen service thanks to highly specialized component materials and manufacturing processes
Breathe with confidence knowing you have the peak of 30 years of regulator design experience in the 212 Regulator. The 212 2nd stage with Diaphragm Swivel 1st stage is designed to be the best in world performance.
Built with the same quality as the DC1, without the swivel turret, the DC3 is the ideal 1st stage for double cylinder configuration as well as perfect for single cylinders.