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20pcs High-precision Capacity Tester lung Breathing Exercise Test Breathing
20pcs High-precision Capacity Tester lung Breathing Exercise Test Breathing
20pcs High-precision Capacity Tester lung Breathing Exercise Test Breathing
20pcs High-precision Capacity Tester lung Breathing Exercise Test Breathing
20pcs High-precision Capacity Tester lung Breathing Exercise Test Breathing
20pcs High-precision Capacity Tester lung Breathing Exercise Test Breathing
20pcs High-precision Capacity Tester lung Breathing Exercise Test Breathing
20pcs High-precision Capacity Tester lung Breathing Exercise Test Breathing

20pcs High-precision Capacity Tester lung Breathing Exercise Test Breathing

$ 2.07

Availability: 100 in stock

Description

High-precision Vital Capacity Tester lung Breathing Exercise Test Breathing
Material: plastic
Color: White
Quantity:20pcs
details:
Function: Test the maximum ventilation capacity of human respiration, the volume reflected by its value and the expansion capacity of the lungs.
The physical function of the tester: The larger the vital capacity value, the better the physical fitness of the tester.
On Jun-08-21 at 04:23:20 PDT, seller added the following information: