Product Details
These were designed with back mounted counter lungs in mind where reaching the o2 and dil buttons becomes impossible.
This is a non-destructive way of keeping o2 and dil to hand,
This kit contains:
a) BUTTON CRADLE FITTED WITH SPECIAL REUSEABLE HOSE FITTING 
b) LUNG INJECTOR FITTED WITH SPECIAL REUSEABLE HOSE FITTING 
c) 1 METER OF HOSE..(OPTIONAL) 
You simply screw your o2/dil button on the cradle and then screw the lung injector into the lung after you have trimmed and routed the hose.