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Diffrient Smart
Made by Humanscale®, the Diffrient Smart chair has a three-panel backrest that provides exceptional lumbar support. The back is made from form-sensing mesh and organically adjusts as your spine moves, promoting healthy posture. The chair also features a self-adjusting reclining tensions and pivoting backrest so personalized support is easy for all users. Adjustable armrests allow you to find your preferred arm support.
We partner with artisans and workshops across the country
Details of Diffrient Smart™ Office Chair
Product Details
- Dimensions: 26"w 26"d 39-44"h
- Armrest Height: 5"-10"h
- Seat Height: 16-21"h
- Armrest Details: adjustable height, move with backrest for dynamic support
- Seat Details: adjustable height and depth; contoured foam cushion for added comfort
- Back Details: self-adjusting reclining tension; pivoting backrest; form-sensing mesh for custom lumbar support
- Caster Details: stocked with hard plastic casters ideal for carpeted floors; soft plastic casters best for hard floors can be ordered, contact us for details
- Construction: ergonomically designed to promote healthy posture See features and benefits
- Certification: GREENGUARD Certified® for low chemical emissions; ANSI/BIFMA approved for commercial use
- Designer: Niels Diffrient
- Assembly: In-home Delivery includes assembly; unassembled via UPS Shipping
- Product Origin: made in New Jersey
- Material Origin: United States and imported
- Item Number: 493851
- See all photos
Material Details
- Material: Monofilament Stripe mesh
- Color: carbon
- Secondary Material: plastic
- Color: dark grey
- Material: Monofilament Stripe mesh
- Color: carbon
- Secondary Material: plastic
- Color: dark grey
- Colors may vary depending on your monitor and printer. For color accuracy, request a swatch.
Delivery
Receive unlimited items for only $99 within 100 miles of our stores or $139 anywhere else in the contiguous United States. Plus enjoy free UPS shipping on hundreds of select items. Learn more: www.roomandboard.com/delivery
Diffrient Smart

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Back Support
- This chair instantly gives you the right amount of back support with its pivoting backrest that automatically adjusts as your spine moves. Its reclining capabilities reduce stress on your back and encourage movement throughout your workday.
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Lumbar Support
- Form-sensing mesh provides additional lower back support. This feature mimics the natural curve of your spine to provide the greatest amount of lower back support when seated, which is important if the chair is used frequently or as a primary task chair.
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Armrest Support
- Armrests offer extra support throughout the workday to reduce strain on your upper arms and neck. Height-adjustable armrests complement the chair’s design and provide the right amount of support.
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Seat Cushion
- This chair’s contoured foam cushion helps minimize pressure on your thighs and knees to ensure lasting comfort and proper circulation in your legs.
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Adjustable Seat Depth
- Adjusting your seat depth to thigh length provides a comfortable, healthy sit. This is a helpful feature if the chair will be used by more than one person.
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Back Tension
- Self-adjusting tension control automatically regulates the effort required to recline. This is an especially helpful feature if the chair will be used by multiple people, as it automatically adjusts to accommodate personal preferences.
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Adjustable Seat Height
- This is a great feature if the chair will be used by multiple people or at more than one work surface. Position your seat height so thighs are parallel to the floor and feet are flat for healthy circulation in your legs.
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Casters
- This chair features hard plastic casters that are ideal for carpeted floors. Soft plastic casters, best for hard floors, can be ordered. Contact us for details.
Our promise to you
Exceptional Service, Start to Finish
We treat you the way we would like to be treated, from shopping and ordering to delivery and long-term service.
American craftsmanship
More than 90% of our products are manufactured in America using quality U.S. and imported materials. Working with family-owned companies around the country allows us to bring you the best craftsmanship and fastest delivery with the least environmental impact. It also means you get furniture with a story you'll be proud to share.
Free design services
Our Design Associates put their product expertise and passion for home design into helping you create a functional and inspiring space. Their design help is always available to you for free.
The best price every day
We work directly with our manufacturing partners to bring you the best quality at the lowest possible price, every day. Our prices are guaranteed for the calendar year so there's no need to rush—or any reason to wait—to buy what you love.
Unlimited Items for One Flat Rate
Receive unlimited items for $99 within 100 miles of our stores or $139 anywhere else in the contiguous United States. Small home decor items ship for free via UPS.
Full-Service Delivery
Our respectful Delivery Associates take care of every detail. Furniture arrives fully assembled and is placed exactly where you want it with no packaging left behind.
Free Returns and Exchanges
We offer free return or exchange delivery service on any item you buy from us. We understand that it can take a few days to a few weeks to determine if your new furniture will work for you. We encourage you to make a return or exchange in a timely manner because damaged, worn or altered items may be refused or result in an adjustment to your refund.
Our Guarantee
We stand behind the quality of our products and the prices we charge. If you're not satisfied with your purchase or any part of your experience, just let us know. We're here to help.