AltoLab Face Mask With Connector | Alternative To Nose-clip And Mouthpiece Size:S (yellow) Olympic caliber athletes are so

Olympic caliber athletes are so efficient at oxygen absorption and retention

DO NOT attempt to read the oximeter displays while you are running

The AltoLab BOOST portable altitude simulator kit includes:

by mixing this with fresh air coming in through the base of the AltoLab unit

(1) Bacterial filter

AltoLab Face Mask With Connector | Alternative To Nose-clip And Mouthpiece Size:S (yellow) Olympic caliber athletes are soThese AltoLab face masks are great for people who have trouble using the nose clip and is also recommended for asthmatics who prefer breathing through their nose. The face mask can be used in place of a mouthpiece and nose clip with any of the AltoLab breathing tube kits. You will be able to breathe through your mouth and nose into the face mask. For safety reasons, the face mask is held in place with one hand while using the AltoLab unit and should