Numbers Adjustable Height Chairs from Smith System is a transformative addition to classrooms worldwide. This chair isn’t just furniture; it’s a catalyst for inspired learning environments. Offering top-notch quality, comfort, and a stylish, space-saving design, it’s the ideal solution for schools and offices alike. Certified to meet rigorous international standards for durability and performance, Numbers is perfect for computer labs, offices needing flexible seating, or any dynamic workspace.
Crafted from durable polypropylene, the chair features an ergonomic design with a waterfall front seat for comfort and effortless mobility. Its sleek shell includes a subtle woven pattern for improved airflow, while thoughtful handles ensure easy movement and cleaning. Plus, a taller backrest provides superior support and doubles as an armrest. Mounted on a swivel base with pneumatic lift, this chair combines functionality with sleek aesthetics, making it essential for any modern setting. Numbers adjustable chairs are available with mobile caster wheels, or stationary with glide feet.
- Pneumatic adjustable seat height
- Available with mobile caster wheels, or stationary glides
- Compact and sleek design that maximizes space efficiency
- Polypropylene blow molded shell with a waterfall front seat pan for comfort
- Shell features a subtle woven pattern for improved airflow
- Built-in handles for easy mobility and cleaning
- Taller continuous seatback provides upper back support and can be used as an armrest
- Certified to meet BIFMA, EN, & GB standards for durability and performance
- Equipped with a swivel base and pneumatic lift for 360-degree movement
- Includes a sturdy 5-star black nylon base for stability
- GREENGUARD GOLD Certified

















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