McMaster 7834T6 Adjustable-Height Chair 18" to 22" High x 20-1/2" Wide x 19-1/4" Deep Seat

Often used in offices, these chairs adjust to a comfortable working height for tables and desks. With an air cylinder and lever, they offer quick, smooth height adjustment. All swivel so that you can work on multiple surfaces without having to stand up. A backrest provides support and promotes good posture to reduce back strain. Fabric chairs are padded for comfort. Style E have a mesh backrest that allows airflow to keep you cool. The backrest also reclines for comfort and adjusts up and down for maximum lumbar support. The seat tilts to promote good circulation in your legs. Move the armrests up, down, forward, and backward to support your arms while typing. Style E Mobility Mobile Seat   Height 18"-22" Width 20 1/2" Depth 19 1/4" Padded Thickness 4" Material Fabric Adjustability Up/Down,Tilt,Swivel Adjustment Type Lever Capacity 250 lbs. Backrest   Height 20" Width 19 1/2" Adjustability Up/Down,Recline Base Material Black Plastic Armrest   Material Polyurethane Rubber Adjustability Forward/Backward,Up/Down Foot Type Caster Wheel   Configuration Five Swivel Casters Diameter 2" Material Plastic Features Mesh Backrest,Padded Seat Seat Color Black RoHS Not Compliant REACH Not Compliant DFARS Specialty Metals COTS-Exempt Country of Origin Taiwan Schedule B 940139.0000 ECCN EAR99