Choose a compatible regulator setup
Some sets include an octopus or gauge, while others contain only the primary regulator components.

Compare scuba regulator sets and check the first stage, second stage and extras included.
Some sets include an octopus or gauge, while others contain only the primary regulator components.
These examples show required items at the standard quantities.
Match DIN or yoke to your cylinder valve, check the pressure instrument and hose, and confirm any BCD or drysuit inflation hose needed for your equipment.
Some sets include an octopus or gauge, while others contain only the primary regulator components. Confirm DIN or yoke connection and any hose options. Compare the complete equipment list with what you already own so you can identify any remaining parts needed.
These examples show required items at the standard quantities. Product options and optional extras determine the final order; check the live package before adding it to your cart.
Aqualung Legend 3 MBS DIN / Yoke
Required base components: Legend 3 MBS primary regulator combination and Legend 3 octopus.
Gauge and bag: Explorer II regulator bag included. Pressure gauge is an optional selection.
Required base components: AC25M / Master Cromo primary combination and XS Compact octopus.
Gauge and bag: 360 regulator bag included; pressure gauge is not included.
Required base components: RS1207 primary combination and SS0007 alternate second stage.
Gauge and bag: No pressure gauge or regulator bag in the base set.
Aqualung Helix Compact Pro DIN / Yoke
Required base components: Helix Compact Pro primary combination and matching octopus.
Gauge and bag: Pressure gauge and Explorer II bag are optional selections.
Required base components: XTX200 / XTX40 regulator set and Apeks pressure gauge with Miflex hose.
Gauge and bag: Pressure gauge and hose included; regulator bag is not included.
Match DIN or yoke to your cylinder valve, check the pressure instrument and hose, and confirm any BCD or drysuit inflation hose needed for your equipment. A set can still need compatible extra components. Browse gauges, hoses and regulator accessories, or ask our team to check the complete configuration.
Explore the wider Regulators collection to compare related equipment and accessories.
Need help choosing? Ask our Hallam team for advice on the options that suit your equipment and plans.