With the Metalsub Pony Bottle Quick Release System - the 3ltr pony cylinder can be coupled to the main air cylinder quickly and easily. Half of the system is permanently attached to the pony cylinder- while the other half is secured to the backpack belt of the stabilising jacket. This half can also be secured by way of two stainless steel clips. These clips have been given a protective rubber layer. By pushing in a spring-loaded locking pin with the thumb, the bottles are connected / disconnected. The bottle holder plates come with rubber strips to provide a better grip on the air cylinders. The light-weight metal has been given a seawater-proof coating. The pony clamp is available in two mounting varieties. The 'normal' model fits the cylinder with the valve at the top whilst the 'opposite' model mounts the cylinder inverted with the cylinder at the bottom. Also available in a short length clamp Specifications Long System: Total length - 25.5cm Suitable for 3ltr cylinders with 90-110mm diameter
