Lorell Swivel Mid-Back Mesh Chair (LLR85563)Lorell ErgoMesh Series Managerial Mid-Back Chair (LLR86201)Lorell Mid-back Task Chair (LLR83307)Mesh Mid-back Task Chair (MAO-HL0001)

Load Capacity: 250lb Ergonomic: Adjustable lumbar Seat: Height: 19" - 24" Size: 19.5"W x 18"D Seat Slider: No Back Size: 21.5"H x 19.5"W Rachet: No Tilt Mechanism: Tilt tension Tilt lock Overall: 44.25"H x 25.5"W x 24.5"D