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Cressi GT Steel + Master Pro + Master Octopus Double First Stage Regulator
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Regular price
€1.499,00 EUR
VAT included
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MPN
: PRG0053K0144NS
Cressi GT Steel + Master Pro + Master Octopus: double first stage set for cold water
This Cressi GT Steel / Master Pro + GT Steel / Master Octopus set is made up of two GT Steel DIN 300 first stages: one with the Master Pro second stage and one with the Master Octopus. It is certified EN 250:2014 for cold water (A, below 10 °C).
The GT Steel first stage is hermetically sealed: the chamber stays dry and the internal parts are protected from freezing and from contamination by silt and sand. It is machined from marine-grade stainless steel, which is very resistant to corrosion and more sustainable than brass. An internal heat exchanger captures heat from the exhaled air and uses it to warm the valve mechanism, as an extra barrier against freezing. The hyper-balanced diaphragm adjusts the air flow to the surrounding water pressure and Cressi's PressureSync technology keeps the intermediate pressure steady throughout the breathing cycle.
The Master Pro second stage is pneumatically balanced. The marine-grade stainless steel reinforcement on the cover, with ports that neutralize dynamic water pressure, prevents free flows caused by current. The adjustable Venturi has two modes: Dive and Pre-Dive. The lightweight Miflex hose has a 360° stainless steel swivel.
Master Octopus included
The Master Octo follows the same standards as the Master Pro: in an emergency, your buddy's second stage must perform like yours. The shell is made of medical-grade plastic treated to inhibit the bacterial growth caused by saliva and moisture, and it resists salt water corrosion. The elliptical design fits the face and the large elliptical diaphragm reduces inhalation effort, especially at depth or with high air demand. An internal heat exchanger uses the diver's breath to prevent ice.
To keep the octopus from free-flowing, the Master Octo has a stainless steel front insert with slots that neutralize dynamic water pressure and an adjustable Venturi, which can be set to any position between pre-dive and dive.
Main features
- EN 250:2014 certified for cold water (A, below 10 °C)
- Two GT Steel DIN 300 first stages in marine-grade stainless steel, hyper-balanced diaphragm and sealed against water
- 2 HP ports 7/16" UNF and 5 MP ports 3/8" UNF on each first stage, with swivel turret and sidemount configurations
- PressureSync technology for constant intermediate pressure
- Master Pro second stage, pneumatically balanced, with adjustable Venturi and inhalation effort control
- Master Octopus with medical-grade plastic shell, internal heat exchanger and adjustable Venturi
- Internal heat exchanger on the first and second stages
- Highly flexible Miflex hose with 360° stainless steel swivel
