Office ergonomic chair MACLEAN ER-414 with adjustable lumbar support and height

The MACLEAN ER-414 ergonomic office chair is designed for extended desk work, combining adjustable support and practical mobility. The chair features adjustable lumbar support and a pneumatic seat height adjustment, allowing users to set an ergonomic seating position. A swivel base and smooth-rolling caster wheels provide freedom of movement around the workspace while maintaining a compact footprint suitable for both home and office environments.

Advantages

The chair’s adjustable lumbar support helps maintain a natural spine curve and reduces lower back strain during prolonged sitting. Seat height adjustment ensures correct alignment with desks of varying heights and supports proper leg position. The swivel base improves reachability and task efficiency, while caster wheels enable easy repositioning without interrupting workflow. Constructed with durable materials, the chair balances comfort and long-term usability.

Suitable for

• Office workstations and corporate environments
• Home offices and remote work setups
• Long-duration computer work and study sessions
• Administrative tasks, meetings, and desk-based activities

Key specifications

• Ergonomic design with adjustable lumbar support
• Pneumatic seat height adjustment
• 360° swivel base for improved mobility
• Caster wheels suitable for hard and low-pile floor surfaces
• Upholstered seat and back with breathable materials
• Sturdy frame and base designed for daily office use

How to use

Adjust the seat height using the pneumatic lever so that your feet rest flat on the floor and your knees form approximately a 90° angle. Set the lumbar support to match the curve of your lower back for steady trunk alignment. Use the swivel function and caster wheels to reposition without standing, and combine small movement breaks with correct posture to reduce fatigue. Regularly check and tighten any adjustable components as part of routine maintenance.

Usage recommendations

For prolonged comfort, pair the chair with an adjustable desk and monitor positioned at eye level. Use on appropriate floor surfaces or add a chair mat for smoother rolling and to protect flooring. Periodically adjust lumbar and seat height settings to accommodate changes in tasks or posture during the day.