Low-pressure hose for connecting first and second stages.
55cm is used:
1. as the primary reg hose on a recreational reg,
2. As the backup hose on a DIR single and twinset configuration.
70cm is used:
1. as per the 55cm but for larger framed persons.
90cm is used:
1. As the Left side reg hose for a sidemount configuration on a very small diver or diver using direct routing and not going behind the neck.
102cm is used:
1. As the octopus on a recreational reg,
2. As the left side reg hose on a sidemount configuration (with a 90 deg)
3. As the reg hose on a stage/deco/bailout cylinder.
150cm is used:
1. As the primary regulator hose on a single tank DIR configuration.
210cm is used:
1. As the primary regulator hose on a single tank DIR configuration if the diver has a canister light.
2. As the primary regulator hose n a twinset
3. As the right side regulator hose on a sidemount configuration.