Lung Exerciser, Acapell Flutter Valve Device, Mucus Clearance and Lung Expansion Device, Breathing Trainer for Lung Recovery | Natural Expiratory Exerciser Dark Blue-e pets_BestSellers_Nov2022 Thanks to the high-elastic cord

Thanks to the high-elastic cord

Vitamins C & E for an anti-fatigue effect

KEEP WARM AND COSY: Thick and soft polar fleece lining

~Correction Series~

-Large-sized dogs with a 13 - 21 inch waist

Lung Exerciser, Acapell Flutter Valve Device, Mucus Clearance and Lung Expansion Device, Breathing Trainer for Lung Recovery | Natural Expiratory Exerciser Dark Blue-e pets_BestSellers_Nov2022 Thanks to the high-elastic cordLung Exerciser, Acapell Flutter Valve Device, Mucus Clearance and Lung Expansion Device, Breathing Trainer for Lung Recovery Natural Expiratory Exerciser Product Features Read user manual Imported Breathe Freely and Strengthen Your Lungs Naturally: Experience natural breathing lung expansion and exhale training device. Improve your breathing capacity and strengthen your lungs with this lung exerciser device. Take Control of Your Respiratory Health: