The Octopus Ultra includes Mares' Twin Power system and, made from technopolymer, it is lightweight. To be used in a set up with the Ultra regulator.
Designed for use with the Mares Ultra Regulator Series is a unique Vortex Assist Design (VAD) system. The air bypass tube conveys air to the mouthpiece creating a swirling vortex with a low-pressure area in the centre this keeps the diaphragm down during inhalation, giving very sensitive and easy breathing at all depths.