Halcyon Defender Safety Spool Size:30m Divesoft He/O2 Trimix Analyser for

Divesoft He/O2 Trimix Analyser for Helium and Oxygen is a precise apparatus for measuring oxygen helium concentrations in diving breathing gasses

and ease of use

High light intensity

Its bayonet locking system makes fitting and removing gloves quick and simple

The PADI Diving Knowledge Workbook is a self study guide to help evaluate and enhance your understanding of the most important aspects of recreational diving:

Halcyon Defender Safety Spool Size:30m Divesoft He/O2 Trimix Analyser forHalcyon Defender Safety Spool Halcyon Defender Safety Spool, like all Halcyon reels and spools, have established the industry standard for quality construction and trouble free use. Specs: Nearly indestructible Delrin design for years of trouble free operation Solid center reduces spool size, enhancing portability and ease of operation Solid center eliminates the risk of catching a finger during deployment #24 line Last Updated: 19th May 2025