Mucus Clearance and Lung Expansion Device, Flutter Valve Mucus Removal Device, Lung Exerciser Device for Lung Strengthener, Breathing Exercise Device for Lungs (Light Blue) is up for auction in Health & Household. The current bid is $2.50, 89% below the $23.77 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.