Therefore, before deciding to buy, you can try the CPAP/BiPAP machine with the following policy:

• Device trial period: 3 days. Cost to try the machine: 500,000 VND .
• Receive the device at home or at the company.
• During the trial period, we will monitor and adjust to ensure you use the machine effectively.
• After testing the machine, we will reevaluate the results.
• If it is effective, you will buy a machine for further treatment. When purchasing the device, we will refund the device trial fee.