O-Ring Service kit  for DSV JJ-CCR rebreather

• NBR -Sh70 O-rings ( 11 pieces)
• 5 x For both ends of barrel ,both convoluted hose ends (DSV end) O-ring 36 x 2    
• 1 x O-ring for the 4mm screw holding the lever  4 x 1
• 1 x Mouth Piece Orifice  O’ring 28 x 2  
• 4 x Hose ends -Loop  O’rings 32 x 2