Order # 30503201 Manufacturer# 81-22500US403 Brand entrust Performance Manufacturer McKesson Brand Application Exam Stool Back Style Backless Base Diameter 21 Inch Base Specifications Black ABS Plastic Composite Base with Five Legs Color Putty Height Adjustment Type Pneumatic Height Adjustment Height Range 17 to 22 Inch Material Polyfoam Number of Casters 5 Casters Seat Diameter 15 Inch Seat Shape Round UNSPSC Code 42192104 Latex Free Indicator Not Made with Natural Rubber Latex entrust Performance Round Pneumatic Exam Stool Color: Putty Pneumatic Height Adjustment: 17 inch - 22 inch Comfortable 15 inch wide, 4 inch thick round polyfoam seat cushion. Five-leg, 21 inch black ABS plastic composite base. Black plastic dual-wheel nylon casters. Optional seamless, vacuum-formed upholstery available. Not Made With Natural Rubber Latex. Packaged: Each