A rubber S.C.B.A - Swimmer Canoeist Breathing Apparatus housed on a metal stand.
Complete with twin O2  bottles to the rear, A.P marked reducer to the front left and pepper pot relief valve to the top right. Brass soda lime cannister with Nato Stock number with flexi hose to the slightly perished mouth piece to bag two way spitcock. Marked on the counter lung 'DUNLOP SPECIAL PRODUCTS LTD'. Interestingly of note unlike any other piece of service kit I dived this has no reserve bottle,  just the twin O 2 set with a 1.5 0r 2 litre P/M flow.