Rectangular opening measures 1" x 8.3". Pulled from a working tool and guaranteed in excellent, used condition.The item "MDC Rectangular Pneumatic 1x 8.3 Slit Transfer Gate Valve High Vacuum RGV-18P" is in sale since Thursday, November 8, 2018. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Semiconductor & PCB Manufacturing Equipment\Wafer Processing\Wafer Processing Components". The seller is "zoro" and is located in Saint Paul, Minnesota. This item can be shipped worldwide.