Designed by Niels Diffrient
Liberty Lab Stool
A chair that moves with you, elevated. A tri-panel mesh back and weight-sensitive recline deliver continuous, self-adjusting support at any height.
Design Features
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Built for lab environments
Lotus textile provides stain resistance, hospital-grade cleanability, and antimicrobial protection. -
Automatic recline support
Weight-compensating recline adapts naturally to each user without knobs or levers. -
Support for elevated workstations
Higher seat height and supportive footring provide ergonomic comfort at lab benches and standing-height work surfaces. -
Comfort for extended shifts
Upholstered seat supports balanced weight distribution and helps reduce pressure points. -
Durable arm support
Antimicrobial Duron arm pads provide long-lasting comfort and durability. -
Cleaner, longer-lasting cylinder
Patented clean gas cylinder seals grease away from the user for a cleaner experience. -
Climate Positive design
Made with Red List-Free materials in zero-waste facilities to support healthier spaces. -
Built for longevity
Backed by a 15-year, 24/7 warranty for demanding professional use.
Specifications
Variant
SKU
L146BG1TK101XFWSNSC
Seat Textile Type
Fabric
Seat Textile Style
Lotus
Seat Textile Code
Black
Back Textile Type
Fabric
Arm Style
Fixed Height Arms
Frame Color
Black with Black Trim
Casters
Multi-Surface Caster for Hard or Soft Floor
Warranty
15 Years; Fabric/Cushions/Arm Pads/Casters/Wood: 5 Years
Dimensions
Width
673 mm
Depth
635 mm
Overall Height
1105 mm - 1295 mm
Backrest Height
23 in.
Seat Depth
419 mm - 476 mm
Seat Height
536 mm - 726 mm
Weight
Overall Weight
15.4 kg
Weight Capacity
181.4 kg
Certifications & Testing
- HPD
- DECLARE® - Red List Free
- Living Product Challenge
- CDPH
- BIFMA LEVEL® - Level 3
- SCS Indoor Advantage Gold
- Green Tick
- MID
Care, Maintenance & Longevity
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Lotus Coated Performance Textile
Routine cleaning: Wipe with a damp cloth using a mild soap and water solution. Allow to air dry. Disinfection: Compatible with a 10% bleach/water solution and 70% isopropyl alcohol. Apply with a clean, damp cloth. Do not saturate. Rinse with clean water and allow to air dry. Always follow your facility's approved cleaning and disinfection protocols.
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Multi-Layer Duron Arm Pads
Antimicrobial surface. Wipe with a damp cloth and mild soap solution. Compatible with standard hospital-grade disinfectants. Rinse with clean water after disinfectant use.
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Frame and base
Can be wiped down with the same damp cloth and mild soap solution. Standard lab and healthcare cleaning agents are safe to use on all hard surfaces.
Design By Niels Diffrient (1928–2013)
Niels Diffrient was a pioneering industrial designer known for his human-centered approach and belief that design should be intuitive and effortless. Often called “the last of the mid-century modernists,” he focused on simplicity, allowing form to follow function in its purest sense.
A Cranbrook Academy graduate alongside Charles and Ray Eames and Eero Saarinen, Diffrient went on to shape some of the most iconic products of the 20th century. His work at Henry Dreyfuss Associates helped define modern industrial design, while his research into human factors redefined how products support the body.
His partnership with Humanscale introduced a new standard in seating, creating designs that automatically adapt to the user. Diffrient’s legacy lives on in products that are simple, timeless, and designed to improve the human experience.
View Design Story