| Matrx PS (Posture Seat) Cushion | 07540147000134 | Class I | |
| Matrx Shape Insert | 07540147001476 | Class I | |
| Matrx SNUG Headrest Pads | 07540147001490 | Class I | |
| Matrx-Vi Cushion Cover | 07540147000790 | Class I | |
| Matrx-Vi Seat Cushion | 07540147000073 | Class I | |
| Mini Back Hardware Extension Kit | 07540147000608 | Class I | |
| Mini Chest Harness Interface (1pc) | 07540147000547 | Class I | |
| Mini Chest Harness Interface (2pc) | 07540147000301 | Class I | |
| Miniflex Abdominal Support | 07540147000554 | Class I | |
| MiniSet HD Mounting Hardware | 07540147000196 | Class I | |
| MiniSet Mounting Hardware | 07540147000189 | Class I | |
| Mini Swing-Away Lateral Pad & Hardware | 07540147001087 | Class I | |
| MX2 Fixed HD Mounting Hardware | 07540147000271 | Class I | |
| MX2 Fixed Mounting Hardware | 07540147000264 | Class I | |
| Mx2 Removable HD Mounting Hardware | 07540147000295 | Class I | |
| MX2 Removable Mounting Hardware | 07540147000288 | Class I | |
| Pelvic Obliquity Kit | 07540147000981 | Class I | |
| Posture Flex Abdominal Support | 07540147000905 | Class I | |
| Posture Flex Quad Release Tab | 07540147000936 | Class I | |
| POSTURE FLEX TETHER KIT, FOR POSTURE FLEX ONTO MAC | 07540147004064 | Class I | |
| Privacy Flap | 07540147000561 | Class I | |
| Protect E2 Deep Cover (IC) | 07540147000950 | Class I | |
| Protect E2 Standard Cover (IC) | 07540147000943 | Class I | |
| Side Mount Headrest Interface Plate | 07540147004033 | Class I | |
| Split Mounting Hardware | 07540147000219 | Class I | |
UDI Compass