Expand-A-Lung | The Original USA Made, Est. 2004 | A Breathing Fitness Exerciser Device | Expiratory Inspiratory Muscle…

Description AMAZON’S #1 RATED BREATHING FITNESS TRAINER! – IMPROVES SHORTNESS OF BREATH & ENDURANCE – THE BEST 7 MINUTE BREATHING EXERCISE FOR ATHLETES. (five YEAR FULL MANUFACTURER’S WARRANTY) USED BY NAVY SEALS! – one hundred% ADJUSTABLE AIR-FLOW VALVE PROVIDES ALL LEVELS OF INHALING (INSPIRATORY) AND EXHALING (EXPIRATORY) RESISTANCE TO FIT ANYONE’S NEEDS. – IT IS THE MOST COMPACT (four”), PORTABLE, DURABLE AND EASIEST TO USE BREATHING FITNESS TRAINER. (one hundred% DRUG FREE) FLEXIBLE MEDICAL GRADE SILICONE MOUTHPIECE PROVIDES THE MOST COMFORTABLE FIT AND BEST SEAL.- FITS ALL SIZE MOUTHS COMFORTABLY – (SIMPLE EXERCISE INSTRUCTIONS ARE INCLUDED) “MADE IN USA” BUY DIRECT FROM THE MANUFACTURER ( RISK FREE TRIAL GUARANTEE! – TRY IT FOR UP TO 60 DAYS! “IF FOR ANY REASON YOU’RE NOT SATISFIED, YOU CAN RETURN IT FOR A FULL REFUND!”. (FOR MORE INFORMATION VISIT WWW.EXPAND-A-LUNG.COM) SELECTED THE #1 CHOICE OF THE L.A.TIMES REVIEW! – RANKED ABOVE ALL OTHER RESPIRATORY FITNESS TRAINERS AND ELEVATION TRAINING MASKS! – FEATURED IN THE FOLLOWING MAGAZINES: “RUNNER’S WORLD”, “TRIATHLETE”, “TRIATHLON CANADA”, “AUSTRALIAN TRIATHLON & MULTISPORTS”, “VELO NEWS CYCLING”, “FREESURF HAWAII”, “SKIN DIVER”, “HAWAII SKINDIVER”, “INTERNATIONAL FREEDIVING”, “THE BOX (CROSSFIT)”, “BLACK BELT MARTIAL ARTS”. “INTERNATIONAL KICKBOXER”.