Diffusion Ergonomic Chair

From: £678.00

Availability: Made to order, 3 week lead time
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SKU: Dif Category:

Improve posture and reduce back pain with The Diffusion Ergonomic chair range, providing the principle benefits of Corrigo design in an affordable package.

Available in three sizes, each chair is highly adjustable to suit the individual (see our sizing guide)

The Diffusion range includes the following features that allow it to adapt to provide maximum support and relief from pain:  More information on the Diffusion is available if you click here.

FOR OUR FULL RANGE OF COLOUR OPTIONS, please request a fabric sample board before ordering

To watch our video, click here https://www.youtube.com/watch?v=7Dxj1a_lW1w

  • Extra Padded Backrest with inflatable lumbar support, adjustable in both height and support depth, to fit your own lumbar curve exactly.  The biggest reason for discomfort on a chair is an unsuitable  lumbar support that doesn’t adjust to fit the depth of your own curve and therefore either pushes you forward (if you have a flat back) or doesn’t provide enough support (if you have a deep curve).
  • Thoracic support (between your shoulder blades), promoting an upright posture.  Most broad backed chairs will push your shoulders forward, the Diffusion backrest provides a unique design that encourages an open chested, healthy posture. It is designed around our own back shape to relieve tension and pain build up in the lower and upper back.
  • Height adjustable Seat to adjust to your own sitting height, so you can sit at the right height for your sitting leg and elbow height in conjunction with the table height.
  • Adjustable backrest angle, from upright to relaxed backward angle to suit your own postural requirements around the task in hand.  If you have a sensitised back, you will find that the ability to change your sitting angle is key.
  • Optional headrest that adjusts in height and and angle to provide support where your head needs it.  Most headrests will either push your head forward into a ‘poke’ position or be too far back.  Our headrests adjust to support a physio recommended neutral head position and acts as a reminder of where to position your head if this is required.  It also supports the head for when you want to recline.
  • Free float or set backrest movement that can be adjusted to your own body weight, so you can keep moving through the day in a way that feels entirely natural to your own body.
  • Height, width and depth arms that allow full access to the desk and provide pressure relief for your shoulders, neck and spine by supporting your arms by your side.  They adjust to your own elbow width so you no longer need to make do with armrests that are too narrow or wide for you.
  • Waterfall edged seat with memory foam that prevents pressure on your thighs and behind your knees.
  • Depth adjustable seat that adjusts to suit your thigh length.  With our 3 sizes, you can find the perfect fit for your own height and thigh length.
  • Coccyx cut out option available with an inflatable support too.  To provide relief from coccyx injuries.   Discreetly covered in fabric to look like a normal seat it can be made at a bespoke size to suit you.

If you would like help choosing your correct size and fabric, contact our advisory team on 0203 475 4510 or email info@corrigo-design.com

For guidance on how to take your measurements, click here:  Measurement Guide

Dimensions (mm):

Size 1:
  • Seat depth: 420 – 475
  • Backrest height: 520 – 585
  • Seat width: 440
  • Armrest width: 380 – 440
  • Armrest height: 170 – 265
  • Seat height: standard gas lift:  440-540 (tall gas lift: 520-625)
Size 2:
  • Seat depth: 420 – 475
  • Backrest height: 520 – 585
  • Seat width: 460
  • Armrest width: 400 – 460
  • Armrest height: 170 – 265
  • Seat height: standard gas lift:  440-540 (tall gas lift: 520-625)
Size 3:
  • Seat depth: 440 – 495
  • Backrest height: 520 – 585
  • Seat width: 500
  • Armrest width: 440 – 500
  • Armrest height: 170 – 265
  • Seat height: standard gas lift:  440-540 (tall gas lift: 520-625)
CHAIR SIZE Height Weight Gas Lift Desk Height
1 5ft 9/1750mms or below less than 70kgs standard 720mms or less
1L 5ft 9/1750mms or above less than 70kgs standard 720mms or less
tall 720mms or higher/adjustable desk
2 5ft 9/1750mms or below more than 70kgs standard 720mms or less
3 5ft 9/1750mms or above more than 70kgs standard 720mms or less
tall 720mms or higher/adjustable desk

Shipping and Returns:

For full terms and conditions please click here:

Delivery of Goods and Any Related Assembly Services

7.1   Corrigo chairs and back supports are bespoke and are made upon receipt of your order, in the UK. Our standard lead time is around 3 to 4 weeks from receipt of payment.  The date of delivery of the Goods and carrying out of any related assembly services specified by the Company is an estimate only and time of delivery shall not be of the essence of the contract. The Company shall not be liable to the Customer for any loss or damages whether arising directly or indirectly by any delay in the delivery of the Goods or any related assembly services.

7.2 Delivery of the Goods shall be made to the Customer’s address as provided by the Customer in the relevant order made via the Website. The Customer shall make all arrangements necessary to take delivery of the Goods on the day notified by the Company for delivery.

7.3 The Customer must notify the Company in advance of any special delivery instructions which are required to enable the delivery company to successful deliver the Goods. The Company will not be responsible for failed deliveries.

7.4 When the Company and the Customer agree on a date to carry out any assembly services relating to the Goods (fitting and assembly) on site, the Customer shall make all arrangements necessary to be available to the Company at the agreed time and place.

7.5 The Customer will give the Company 24 hours notice of any change in the prior delivery arrangements. If the Company is not notified in time to any change to the delivery arrangements all reasonable costs for time and travel will be met by the Customer.

7.6 The Company can assemble the products for the Customer only at time of initial delivery, within the UK, providing this service is requested at the time of ordering the relevant Goods and at any additional cost stipulated in the order. Regrettably this service cannot be provided to Customers outside the UK.

7.7 The Company also provides free telephone support for Goods assembly queries, together with an online office set-up guide and an electronic manual.

7.8 There may be certain countries or territories to which the Company is unable to deliver, in this event the Company will inform the Customer and the Company reserves the right to refuse the Customer’s order and any monies paid to the Company in relation thereto will be refunded within a reasonable time.

7.9  If the customer uses their own shipping company for delivery of the products, they will be responsible for insuring against loss or damage in transit.  Corrigo Design can only be liable for loss or damage in transit when paying their own shipping delivery company directly and not be liable for other companies used.

7.10  If the customer uses their own shipping company they will be held responsible for organising any repayment for loss or damage of their goods or products in transit, or dealing with any custom issues.  Upon receiving the funds, to cover all replacement costs and shipping,  Corrigo Design will organise replacement parts to sent as required

8. Refunds

8.1. Customer should note that in accordance with the following, the Customer should retain all packaging for the Goods which must be returned if claiming a refund. The Customer must use the Company’s courier service for returning the chair goods, unless agreed otherwise by the Company.

8.2 Chair purchases:  Without prejudice to clause 9 below, the Company may offer a 14 day ‘buy and try’ sale or return period for chair purchases for Customers in the UK – if the Customer is not entirely happy with the Goods within the 14 day period just let the Company know and, providing the Goods are returned in original condition and in its original packing, the Company will accept the Goods back and provide a refund of the purchase price for the relevant Goods to the Customer. The Customer is, however, responsible for paying the initial delivery charge, currently £45 plus VAT per unit of the Goods. With Goods ordered by Customers outside the UK, the Company generally cannot offer such a trial period and can only take the Goods back and provide a full refund in the event of a significant fault other than a fault caused by the Customer themselves. In the unlikely event of the Customer having any cause for complaint with either the Company’s customer service or the Goods the Company guarantees to fully investigate the complaint and reply to the Customer within 10 days of notification.

The Customer will need to contact the Company to arrange for the Company’s courier service to deliver the item back to the Company at the company’s cost. Please note the Customer will be responsible for the Goods until the Company can confirm receipt at the Company’s premises.

8.3 If the chair is not purchased and Corrigo are not notified of a request to return the products by the end of the 14 day trial period, or collection of the product is deliberately obstructed, we will charge the standard rental fee for the period, starting from the end of the 14 day trial period until the date with which we are notified of a request to return the product/or given access to collect it.   This is currently set at £7.50 plus VAT a day, plus collection costs.

Extension to trial periods are sometimes offered for exceptional circumstances, by prior arrangement before the expiry of the 14 day trial period.

8.4 Mobile Back Support purchases: Without prejudice to clause 9 below, the Company may offer a 7 day ‘buy and try’ sale or return period for mobile back support purchases for Customers in the UK – if the Customer is not entirely happy with the Goods within the 7 day period just let the Company know and, providing the Goods are returned in original condition and in its original packing, the Company will accept the Goods back and provide a refund of the purchase price for the relevant Goods to the Customer. The Customer is, however, responsible for paying the return carriage charge. With Goods ordered by Customers outside the UK, the Company generally cannot offer such a trial period and can only take the Goods back and provide a full refund in the event of a significant fault other than a fault caused by the Customer themselves. In the unlikely event of the Customer having any cause for complaint with either the Company’s customer service or the Goods the Company guarantees to fully investigate the complaint and reply to the Customer within 10 days of notification.

8.5 Refunds in accordance with this clause 8 will be made within 14 days of receipt of the returned Goods, subject to them being in re-saleable condition. All refunds are subject to inspection of the Goods and confirmation that the items have been returned according to this refunds policy above. The Company will usually refund any money received from the Customer using the same method originally used by the Customer to pay for your purchase.

9. Cancellation Rights

9.2 Notwithstanding and subject to the refunds policy above and cancellation rights (if applicable) below), purchasers of ‘stock’ Goods will have the right to cancel orders within 24 hours of placing the order for the relevant Goods.

9.3 In the event that the Customer acts as a consumer as defined in the Consumer Protection (Distance Selling) Regulations 2000, the Customer has the consumer right to cancel any order for Goods placed on the Website from the date of the order until the end of seven working days from the day after the Goods are received by the Customer, for a full refund. This may only be done by the Customer sending an e-mail to the Company at any time after the Customer’s relevant order up to the end of that period, quoting “Cancellation” in the subject heading, and including the Customer’s email address, name, contact details, order number, and stating that the Customer wishes to cancel the relevant order. Cancellations received after this statutory cancellation period won’t be valid. If the order has already been despatched to the Customer at the time of such cancellation, any such cancellation will only be valid if the Customer then returns the relevant Goods to the Company within 28 days in such a way as to preserve the relevant Goods in the same condition as they were received by the Customer.

9.4 The Customer should note carefully that special bespoke orders placed for Goods to be made to the Customer’s personal specification cannot be returned for a refund or cancelled in accordance with the above Conditions in any circumstances.

9.5 The above cancellation right applies only to consumer Customers and not to business Customers.

10. Faulty Goods

10.1 The Customer should note that the Customer should retain all packaging for the Goods which must be returned if returning faulty Goods. The Customer must use the Company’s courier service for returning faulty Goods, unless agreed otherwise by the Company.

10.2   If for any reason you feel the item you have received is faulty please contact us as soon as possible to let us know that the item has a fault. Once the fault is identified we will ask you to return the item and provide a replacement. In the event that a replacement is unavailable (whether it be due to a discontinuation or end of line clearance) we will either replace it with a similar product or provide a full refund. If you are returning an item because it is faulty we will reimburse your return costs once we have inspected and confirmed the item has a fault.

10.3 If you wish to make a return, you must contact us to arrange collection. Please note that you must retain the original packaging, without which we will be unable to collect it.

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