Duoflex Square Ergonomic Office Chair, Black Frame

* Mesh Back with Adjustable Lumbar Support
* Weight-activated Synchronized Mechanism
* Backrest Tilt Lock in 4 positions by lever
* Height Adjustable Armrest with PU Pad
* 50mm Hard Floor Casters in Black
* Frame available in Black and White
* Standard 300 lbs. weight capacity

* Ergonomic Neck Support Provides comfortable support to user's neck. The angles of support pad allow closer support with Headrest accessory adjusts 1.6” (40mm) vertically.
* Ergonomic square Mesh Back Provides dynamic support and allows airflow, providing a comfortable ergonomic sitting experience
* Ergonomic Lumbar Support by adjusts the height to provide additional lower back support.
* PU Castors 50m soft dual wheel castors are friendly to majority of flooring.
* Ergo Centre synchronous 4:1 ratio to back seat movement with 4 position back lock provides larger angle to relieve the back and sitting stress effectively. Lock at upright for better consideration, free the chair to alleviate better blood flow or lock at angle to rest
* Weight-activated Synchronized Mechanism Tension adjustment utilizes the weight of the user to balance resistance of the back. 

* Mechanism 6 Months
* Structure 6 Months