Nice MDC Varian ? Vacuum Gate Valve Cajon Ultra Torr Box 5-1/4" x 4-1/2" x 3" This is used, but looks to be in great condition. I do not know who made this, but most of the stuff we get from this lab is from MDC, Varian or Huntington Labs This looks to be a custom job, but may work perfect for you. this has a gate inside that you cant access without unscrewing it. This is heavy-duty and used for heavy duty purposes. I will ship for FREE. Disclaimer - Seller not responsible for any damage to life, limb, or property due to this device. Buyer must test this device to ensure it functions properly before its use. If unit is found malfunctioning this seller will offer money back. Will ship free..... USA please ask questions. Will ship international.... we get good rates. Contact us for prices...