Kirby Morgan 525 377 Soft Goods Overhaul Kit For KM 77 Wire Wheel The defining feature of the Configuration:Mask w Scuba Pod The defining feature of the Assist Salt is its H 2 steel blade and lock bar Other differences include: 1) The main exhaust body of the KMB 28 is part of the frame itself and uses a #545 041 main exhaust cover 2) no comfort insert is required on the “28” 3) the face ports for the 18 and the 28 differ slightly in size Teflon® 2 520 038 Tie Wrap 6 520 042 11″ Tie Wrap 4 520 167 Teflon Washer For Swing Catch 1 520 522 Washer 1 520 523 Washer 1 525 330 One Way Valve Kit 1 530 028 Lock Nut 1 530 145 Lock Nut 8 530 601 Retaining Pin 1 Oral Nasal 1 510 553 Diaphragm 1 510 741 Valve