The Rapidline Ergo Air is a high back operator chair and stands out in the crowd for its fully ergonomic heavy duty 4 lever mechanism, pneumatic lumbar pump adjustment and high grade moulded foam seat | The Ergo Air promotes a five star spider base with 50mm hard floor castors, and has adjustable arms available as an additional extra | Features | The Ergo Air Chair is a fully ergonomic 4 lever heavy duty mechanism with seat slide | Heavy duty five star spider base with 50mm hard floor castors | Pneumatic lumbar pump adjustment | Luxurious heavy duty moulded foam seat | AFRDI level 6 certified and BIFMA tested | AFRDI load rated to 160kg | Overall Size of 520mm W x 600mm D x 980 - 1130mm H | Seat size of 520mm W x 510mm D, seat height of 490 - 580mm H | No arms | 10 year warranty