Gvacuum pectus excavatum vacuum waist has been developed by thoracic surgeons after many years of work to treat patients of certain ages without surgery.
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Gvacuum uses an improved airlock system. It is resistant to long-term use. 
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By canceling the Gvacuum elbow entry system, it never causes any air incontinence problems thanks to the air intake it etegrees on the upper cover. 
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The reinforced vacuum hose helps to provide stronger pressure. 
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The vacuum pump is thicker and stronger than normal pumps. It helps to get better pressure. 
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They are 110mm - 125mm - 140mm - 160mm - 190mm in length.

It is made of silicone suitable for high quality skin. 
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Inside the box there is a spare pump and hose. 

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