Arbe Machine Kaya Vest jeweler's table top vacuum investment machine is designed to be a simple, durable and reliable unit. This machine is easy to use and will provide many years of service. Proudly made in the USA! Spring mounted investment table. / 1/2HP / CFM: 3 / Dual stage deep draw vacuum pump / "EZ Flow" easy change oil input / quality high temperature double lined vacuum hoses ensure years of trouble free service. / Investment Plate Size: 11" x 11" / Bell Jar: 9" Diameter x 8" High / Dimensions: 15" W x 8"D x 18" High. (22oV available) Replacement items available- please call us.