PROV | PROV A | PROV B | PROV 1 | PROV A1 | |
| Height | 920~1000mm | 1150~1230mm | 890~990mm | 1190~1270mm | 1050~1180mm |
| Seat depth | 530mm | 600mm | 500mm | 600mm | 560mm |
| Seat width | 530mm | 480mm | 580mm | 580mm | 580mm |
| Distance from fl oor to seat | 450~530mm | 445~530mm | 440~540mm | 445~530mm | 600~730mm |
| Backrest width | 480mm | 480mm | 480mm | 480mm | 480mm |
| Distance from seat to the top of backrest | 470mm | 705mm | 450mm | 745mm | 450mm |
| Width between armrest | 480mm | 480mm | 490mm | 480mm | 480mm |
| Distance from floor to armrest | 625~705mm | 480mm | 620~720mm | 630~710mm | 785~915mm |
| From seat to armrest | 175mm | 185mm | 185mm | 180mm | 185mm |
| Tilt angle degree | 25° | 25° | -- | -- | -- |
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