10 year guarantee in normal use 5 year guarantee in 24/7 use SPHERE High-Back In Fabric The SPHERE Computer Chair offers amazing levels of comfort and support from its unique butterfly backrest and specially formed seat cushion. The SPHERE Back Support Computer Chair will support several hours of seating, is suitable for 24-hour environments, and has a capacity of 150kg (23 stone). The price shown above is for the basic SPHERE Computer Chair with: A high backrest Synchronised or Tilt recline mechanism No arms Black 5-star base & gas lift Fabric upholstery in any colour of your choice. Click here to see the 40 Stone Heavy-Duty version of the SPHERE Computer Chair. Please read on, or click here to buy the 23 Stone chair now. Options available with your SPHERE Back-Support Computer Chair The following options allow you to upgrade the SPHERE Back-Care Computer Chair to suit your own style and needs. When placing your order, select the options you want with your chair from the 'pull-down' boxes on the Order Information Table at the bottom of this page. BACKREST High Back Mid Back £0.00 Subtract £10.00 UPHOLSTERY Fabric (click for details) Leather (click for details) £0.00 Add £60.00 MECHANISM (click for details) Synchro Mechanism Tilt Mechanism £0.00 £0.00 ARMS (click for details) NA - No Arms AK - Black Curved Fixed-Height Arms AL - Black Height-Adjustable Arms £0.00 Add £70.00 Add £70.00 FEET Nylon Castors (for Carpets) Glides (for Limited Movement) Soft PU Castors (for Wood Floors) £0.00 Add £10.00 Add £10.00 5-STAR BASE Black Base & Gas Lift Chrome Base & Gas Lift Silver Base & Castors Aluminium Base £0.00 Add £40.00 Add £40.00 Add £70.00 OTHER OPTIONS (click for details) Inflatable Lumbar Support Seat Slide (increases seat depth by 5cm) Add £30.00 Add £25.00 SPHERE Back Support Computer Operator Chair: Dimensions Floor to Seat Height Seat to Back Height - High Back Chair - Mid Back Chair Seat Depth Seat Width Seat Width with Arms Weight Capacity = 45-53 cm = 65 cm = 57 cm = 51 cm = 54 cm = 68 cm = 150kg (23 Stone) Click on either picture to Enlarge: SPHERE High-Back AL Adjustable Arms And Chrome Base SPHERE Mid-Back AK Curved Arms And Chrome Base GUARANTEE: The manufacturer's guarantee is given subject to the product being used for the purpose to which it is designed, with the exception of fair wear and tear. The product is guaranteed against defective materials or workmanship from the date of delivery for a period of 10 years for structural parts under normal use. Any complaints must be made within 14 days of the alleged defect arising. The manufacturer undertakes to repair the product or any part which proves to be faulty, assuming that the product has been used under normal conditions. This guarantee is limited to 5 years when the chair is in constant 24-hour use. STANDARDS: The SPHERE Back-Support Computer Chair conforms to the following British Standards: BS 5459 (2000) PART 2 Office Pedestal Seating for use by persons up to 150kgs (23 Stone) in weight. BS EN 1021-1 1994 Fabric flammability (cigarette test) BS EN 1021-2 1994 Fabric flammability (match test) BS 7176 1995 Fabric flammability Low Hazard BS 5852 1990 Flammability ignition Source 5 (Dependant upon use of specific fabrics) BS 4735 1974 CMHR foam flammability BS 4875 1985 PART 1 Strength and durability of the structure of domestic and contract seating ^ Top ^ Free Delivery (2 - 3 weeks) The price shown includes UK VAT