18
FIRST STAGES – F8, ONYX II, ENVOY II
Compact Size: High performance diaphragm design provides stable interme-
diate pressures under any condition
Environmentally Sealed (F8 & ONYX II Only): Ambient chamber seal kit
reduces the possibility of freezing at low temperatures and seals water and
contaminants out of the first stage.
Enriched air compatible: The F8, ONYX II, and ENVOY II are nitrox ready from
the factory to 40% maximum oxygen concentration at 3500 PSI (241.3 BAR)
maximum pressure.
Two high pressure ports and ve low pressure ports: Allows virtually any
hose orientation.
Limited Lifetime Warranty (All first and second stage models).
Innovative Product Features