Product Description
Description: -3 ball breath exerciser, 3 ball spirometer, Respiratory Exerciser -Wide flow rate range from 600 to 1200 cc/sec -3 color -coded balls/3 chambers -Minimum flow imprinted on each chamber -Compact design and break-resistant plastic Packing: 1pc/paper box ,50pcs one carton ,carton size 77x45x28cm N.w:6.5kgs G.w:7.5kgs
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