The Air-Flo Mesh Back Chair features a cool mesh back rest design with adjustable lumbar support. Includes a lock knee tilt mechanism and pneumatic seat height adjustment for a custom fit. Durable steel/polyurethane arms. Capacity 250 lbs. Lifetime limited warranty. Seat 20"W x 19"D x 18"-22"H; back 20"W x 23"H. Overall 39"-43"H. Shpg. wt. 30 lbs. All components exceed ANSI/BIFMA commercial use requirements. Meets CA fire foam approval. 5-Year Limited Warranty. PRICE INCLUDES FREIGHT! IN STOCK!