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Apeks

Apeks US1 First Stage

The Apeks US1 First Stage is a compact unsealed diaphragm first stage designed for use in warm water and is intended as the first stage for a redundant gas system that only requires a second stage and pressure gauge.

The US1 has just one low pressure port and one high pressure port which significantly reduces the size of the first stage.

Features:

  • Unsealed system for warm water diving
  • No turret
  • One low pressure port 3/8" UNF
  • One high pressure port 7/16" UNF

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