APEKS DS4 1ST STAGE ONLY

The Apeks DS4 First Stage is a compact, reliable scuba diving regulator known for its stable breathing performance and well-organized port design.

• The description claims the DS4 provides stronger, more stable breathing performance at depth.
• The description claims the DS4 has improved second-stage responsiveness during serious dives.
• The description claims the DS4 keeps the rig clean and reduces hose stress points.
• The description claims the DS4 has an internally sealed dry seal chamber.