Agilent Varian VHS400 Diffusion Pump SLOTTED Clamping Plate, PN R2667301 (sold as one each)
These Agilent Varian VHS-10 are SLOTTED retrofit clamping plates. The Agilent Varian part number for this is R2667301 and its location is item #12 in graphic diagram and description below. Other diffusion pump accessories are available on this web site.