Influx Rectangular Desk. Rectangular desks are still the most popular shape within the workplace due to their simplicity and multi-function use. 1800mm wide. WxDxH: 1800x600x720mm. Beech. Please note that due to the size and weight of this product, fulfilment will take between 2 and 7 days depending on the delivery location and is subject to stock availability. If delivery is required to other than the ground floor or premises with non-vehicular access there maybe an additional delivery charge.