Specifications include, but are not limited to: 2.1 Chamber Interior Requirements. 2.1.1 The chamber must be a minimum of 32 cubic feet in volume. 2.1.2 Minimum interior dimension should be 38 inches high X 38 inches wide. 2.1.3 Chamber material must be nonmagnetic stainless steel or a mixture of stainless steel and nickel. 2.1.4 Chamber must have provisions for adjustable shelves. 2.1.5 2 shelves are required. 2.1.6 Shelves should support at least 40 lbs. each. 2.1.7 There must be (2) 3 inch or 4 inch access ports for cabling. 2.1.8 Access ports must have sealing material to keep heating/cooling air inside chamber. 2.1.9 A Cable Notch at the front of the door is desirable but not mandatory. Cable notch should have sealing material to keep heating/cooling air inside chamber. 2.1.10 Air flow should be 500 CFM or greater. 2.2 Chamber Door: 2.2.1 Door must have a heated window with a minimum dimension of 12 inches high X 12 inches wide. 2.2.2 Door window must be heated. 2.2.3 Door should open using only one hand. 2.2.4 Door should allow full access to the chamber workspace when opened. 2.3 Illumination: 2.3.1 Chamber shall be illuminate by interior light. Door window illumination is also required. 2.4 Electrical Power: 2.4.1 Chamber must be able to operate on 240 VAC 3 phase power. 2.4.2 Chamber must have at a minimum, 1 easily accessible Main Power Switch. Red, Mushroom EPO button is desirable in addition to Main Power Switch, but is not required.