Kirby Morgan 525 759 Quad Valve Exhaust Kit For SL 17A B K And KM 37 And 57 Underwater Breaker portable control box for use barnacle buster portable control box for use in surface supplied air diving operations PART NUMBER DESCRIPTION QTY 510 008 O ring 2 510 010 O ring 1 510 211 O ring 1 510 260 O ring 1 510 446 O ring 1 510 481 O ring 1 510 521 Head Cushion 1 510 533 Neck Dam 1 510 550 Oral Nasal Valve 1 510 561 Valve 530 019 Screw 2 510 007 O ring 2 530 032 Screw 3 510 033 O ring 1 560 530 Water Dump Adapter Cover 1 520 042 Tie Wrap 2 510 786 Starboard Whisker 1 520 118 Clamp 2 530 009 Brass Nut 2 510 776 Exhaust Valve 2 520 200 Valve Seat 2 510 760 Quad Valve Exhaust PART # DESCRIPTION QTY