Breathing exerciser boosts respiratory performance
Great for athletes and those who suffer from shortness of breath
Resistance easily adjusts for varying lung fitness levels
Recommended use: 25 sharp inhalations, twice a day
Compact, convenient, and safe

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.6 inch
Height : 2 inch
Length : 6.4 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B0000E2PBX