The "AirFlo" chair from OFM features a designer style screen mesh backrest that feels as great as it looks and helps to keep you cool all day. Other features include adjustable lumbar support, knee tilt mechanism that enables the chair to dip down rather than rock back to help keep your feet on the floor, tilt lock with tilt tension adjustment, thickly padded seat cushion with stain-resistant fabric upholstery, adjustable height T-arms and a five star nylon base with dual wheel standard casters. Matching mesh guest chair also available. This chair meets or exceeds ANSI/BIFMA standards. Dimensions: Seat Size: 20"W x 19"D. Back Size: 20"W x 23"H. Seat Height Adjustment: 17" - 21"H. Overall: 43"H x 25"W x 22"D. Limited lifetime warranty from OFM. This OFM AirFlo office mesh chair normally ships within 1-2 business days from our NC or AZ warehouse.