Want a breathable mask that also minimizes waste? The O2 Flow Electric Face Mask is the protective covering you’re looking for. This face mask purifies the air you breathe while reducing moisture build-up inside. Also, this wearable is designed to keep you comfortable, even if you have to wear it for long periods of time. Thanks to O2 Flow’s design which combines aerodynamic principle and a 3-dimensional purification air duct, the diffused air intake can provide you with up to..