Yuwell 8F-5AW Oxygen Concentrator / Generator (5 Liter) And its price: * Approximately 2600 to 3500 SAR for the 5 Liter model. I bought it for 2500 SAR. I'm selling it for 1800 SAR. I used it only once. It's new, I've had it for less than a week. Reason for selling: I bought another device. Device name: * Yuwell 8F-5AW * Flow rate up to 5 liters per minute * It has a nebulizer / steam feature..