Hollis HO2 oxygen first stage with green DIN handwheel
Hollis HO2 first stage with hose fitted
Hollis HO2 oxygen first stage with green DIN handwheel
Hollis HO2 first stage with hose fitted

Hollis HO2 Oxygen First Stage, DIN

£275.95

A non-balanced flow-by piston first stage based on the Hollis HP5, cleaned and assembled for up to 100% oxygen, with a green DIN handwheel.

A non-balanced flow-by piston first stage based on the Hollis HP5, cleaned and assembled for up to 100% oxygen, with a green DIN handwheel.

Product Overview

Based on the bulletproof Hollis HP5, the HO2 is a non-balanced flow-by piston first stage certified for up to 100% oxygen. It is cleaned and assembled in a clean-room environment.

Key Features

  • Rated for up to 100% oxygen.

  • Fail-safe non-balanced flow-by piston design.

  • Green DIN handwheel for oxygen-only identification.

  • Marine-grade chrome-plated brass.

Technical Specifications

  • Connection: 300 bar DIN.

  • Ports: 4 LP (3/8 in), 1 HP (7/16 in).

What’s Included

  • 1 Hollis HO2 DIN first stage.

Compatibility & Options

For oxygen use only, by suitably trained divers.

Pair with an oxygen-clean second stage; see our Hollis 150LX + HO2 DIN Oxygen Regulator.

For regulator servicing, see our servicing page.

Need Some Advice?

Contact us if you'd like help choosing a deco regulator. The Abyss Scuba School team can help you find the best fit for your diving.