Share: Title:CO2 Tolerance Training - GRADUATE - 1:15 holds Duration: 20:11 Plays: 12K views Published: 3 years ago Download MP3 Download MP4 Simillar Videos ▶️ 18:42 Co2 Tolerance Training - Intermediate - 1:00 Holds 12K views • 3 years ago ▶️ 21:44 Co2 Tolerance Training - Seasoned - 1:30 Holds 12K views • 3 years ago ▶️ 24:48 Co2 Tolerance Training - Beast Mode - 2:00 Holds 12K views • 3 years ago ▶️ 15:42 Co2 Tolerance Training - Easy - 0:30 Holds 12K views • 3 years ago