With our unique patent pending gasket design (Utility Patent #14/533,548) this chamber is sure to last 10,000 uses with proper care and maintenance. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Vacuum Chambers". The seller is "marosidesignllc" and is located in this country: US. This item can be shipped to United States.