You cannot breathe directly out of a scuba tank because of the high pressure. A regulator reduces pressure to safe a level that can be inhaled by the diver. A diving regulator has two parts: the First Stage reduces the tank pressure and connects it to the Second Stage which contains the mouthpiece for breathing

Hollis DC7 First Stage Only Regulator

Manufacturer Reference / Part No.: 240-3567


Out of Stock

High performance over-balanced first stage provides progressively greater intermediate pressure as depth and gas density increases for superior gas delivery under the most extreme conditions.

Feature1Fixed hose routing ideal for both backmount and sidemount configuration
Feature2Environmental sealing prevents internal corrosion, contaminants, and icing of the first stage
Feature3Designed to withstand the rigorous CE standard for coldwater performance
Feature4Nitrox compatible to 40%
Feature52 High Pressure and 4 Low Pressure ports
Feature6DIN/300 bar

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