| |  | | Hollis 212 W Swiv Overbalanced W Swivel 1ST Din |  | | Breathe with confidence, knowing you have the peak of 30 years of regulator design in the 212 regulator. The 212 2nd stage w/Diaphragm 1st stage is designed to be the best in world performance. | | | | Hollis 212 W Swiv Overbalanced W Swivel 1ST Yoke |  | | Breathe with confidence, knowing you have the peak of 30 years of regulator design in the 212 regulator. The 212 2nd stage w/Diaphragm 1st stage is designed to be the best in world performance. | |
| Hollis 212 W Diaphragm Forged Yoke 1ST Stage |  | | Breathe with confidence, knowing you have the peak of 30 years of regulator design in the 212 regulator. The 212 2nd stage w/Diaphragm 1st stage is designed to be the best in world performance. | | | | Hollis 221 DC3 Yoke Regulator Free Shipping |  | | DC3 is the ideal 1st stage for double cylinder configuration as well as perfect for single cylinders. Paired with the 221 which uses the same technology as the 212 without the dynamic adjustment . | | | | Hollis 212 DC2 Din Regulator |  | | Breathe with confidence knowing you have the peak of 30 years of regulator design experience in the 212 Regulator. | |
