Nevoc Mucus Clearing Device & Air Physio Lung Exerciser - Breathing Aid Expands Airway to Loosen Relief Mucus Adsorption, Mucus Remover Adjustable air Vent, (OPEP) Therapy Method, White

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Does exactly the same as the expensive models. It works very well strengthening the lungs and enabling you to breath much more easily.

Be prepared to cough .. this does work and is simple and easy to assemble and use.

Efficient. Solid build. Easy use. Several videos instructing on net. Did the job. Good value. Not too noisy. Don't forget to rinse mouth after every use, as the saline in nebuliser can dry and cause soreness in time.

Supposedly it's better it's meant to be good for your health... I've got COPD and not noticed any difference at all... Think it could be a massive con.