Hollis DC4 212 and 221 Balanced Regulators Video Review
This demonstration video goes over the features of the Hollis DC4 212 & 221 Balanced Regulator. The DC4 212 Regulator comes with an over-balanced first stage achieves superior performance by increasing your air flow the deeper you go and a pneumatically balanced second stage. The DC4 212 Regulator features an environmentally sealed first stage provides greater reliability, less maintenance and higher performance. The 212 second stage comes with a "diver adjustable" air flow and a "diver adjustable" venturi to prevent unwanted free-flow. Whereas the 221 second stage comes only with a "diver adjustable" venturi to prevent unwanted free-flow. There are easy grip controls even while wearing gloves.
Average Rating:  Length: 01:16 Number of views: 2643
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Buy the Hollis 221 DC-4 Balanced Scuba Regulator
|
Mfg Part Number :
240.3450.07
|
Hollis 221 DC-4 Balanced Scuba Regulator
Eligible for Free Standard Shipping on orders over $25
- Nitrox compatible to 40% (the recreational limits of nitrox)
- Over-balanced first stage achieves superior performance by increasing your air flow the deeper you go
- Designed for extreme depths
- Pneumatically balanced second stage
- Orthodontic mouthpiece to alleviate jaw fatigue by easing bite needed to hold regulator
- "Diver Adjustable" venturi to prevent unwanted free-flow
 FULL MANUFACTURER’S WARRANTY
| | Retail:
$399.00
You Pay:
$299.95
You Save:
$99.05
|
Buy the Hollis 221 DC-4 Balanced Scuba Regulator, DIN
|
Mfg Part Number :
240.3451.07
|
Hollis 221 DC-4 Balanced Scuba Regulator, DIN
Eligible for Free Standard Shipping on orders over $25
- For cylinders fitted with a DIN valve only (for cylinders fitted with a standard yoke valve order adapter below)
- Nitrox compatible to 40% (the recreational limits of nitrox)
- Over-balanced first stage achieves superior performance by increasing your air flow the deeper you go
- Designed for extreme depths and cold water
- Pneumatically balanced second stage
- Orthodontic mouthpiece to alleviate jaw fatigue by easing bite needed to hold regulator
- "Diver Adjustable" venturi to prevent unwanted free-flow
- FULL MANUFACTURER’S WARRANTY
| | Retail:
$399.00
You Pay:
$359.00
You Save:
$40.00
|
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