An EWOT reservoir bag is a key part of Exercise With Oxygen Therapy (EWOT). It's a large, durable bag that holds oxygen. When you exercise, the bag releases the oxygen, making it easier for your body to get the extra oxygen it needs. This can help improve your energy, stamina, and overall health. The One Thousand Roads EWOT reservoir bag is designed to be reliable and easy to use, ensuring you get the best results from your EWOT sessions. Whether you're a beginner or an experienced user, this bag helps you make the most out of your workout routine.