Feature

●Replacement Bands: Includes 1 pair of our GO2 spare bands.
●PEEP (Positive End Expiratory Pressure) to increase oxygen on the exhale. Hospitals have used PEEP to help people breathe better for 40 years, so you know it works! The result: improved stamina, peak performance, and clearer thinking.
●100% GUARANTEE: We stand by our product. If you are not 100% satisfied, contact us directly (even if after the Amazon return window) and we will provide you with your choice of a hassle and cost free replacement or refund. We stand by our product!!
●Designed by Doctors in the USA and 100% Legal by WADA rules


Description

Two bands of slightly different size to give you just the right amount of PEEP to maximize performance