Compare Advancement Chair Sizes
Use this Dimensions Chart to help you make the right choice for your child. |
 Small (R901)  |
 Medium (R902) |
 Large (R903) |
| User Dimensions (Inches) | |||
| Height | 34 - 46 | 42 - 55 | 53 - 72 |
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Key User Dimension: Height The user's overall height is a general guide to help you select the appropriate Chair. Choose the size that allows for growth. Important: Make sure that seat width, depth, and height are adequate for each individual user, and that the user's weight does not exceed the maximum weight recommended. |
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| Item Dimensions (Inches) | |||
| Backrest height | 15 | 18 | 24 |
| Frame width (with wheels) | 22 | 24½ | 28 |
| Headrest center height above seat | 17 - 21 | 20 - 24 | 26 - 30 |
| Max. working load (lbs) | 75 | 150 | 225 |
| Seat depth | 8 - 10 | 10½ - 14 | 15 - 20 |
| Seat height above floor | 8½ - 11½ | 11½ - 15½ | 15 - 18½ |
| Seat height above Footboard | 7½ - 10½ | 10½ - 14½ | 14 - 17½ |
| Seat width (with Pads) | 11 | 13 | 16 |
| Trunk support width | 5½ - 9½ | 7½ - 11½ | 10 - 14 |
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