Model # E507M1Manufacturer CRYENCO50 by 210 internal dimensions 240 cubic feet.Triple wall is about 10" total thickness.7 ports for the wall chambers. (see the labels in image below)Inner wall supported about every 21 inches. CA# 5347

Large 175 cf stainless cylindrical  vacuum cryogenic chamber with lid and 16 ports on insulator standoffs. FEATURES: Manufactured by Los Alamos National LaboratoryMax 510 CFM, 93 "H2O pressure, 90 "H2O vacuum at 60 HzInterior diameter 58 3/8Interior height 56 5/8Volume 175 cubic feetOverall Lid thickness about 1.25" Bottom apears to be the sameWall thickness apperars to be about .25"4 ports are 5 3/4"2 ports are 3 7/8"1 port is 2 3/8 "9 ports are 1 3/8"3 lifting ears on lid and 3 on chamber body 1.1" hole 3.3 " ears.Overall ~3200 lbs, 65" by 74"  raw CA Inventory # 5784

Large heavy stainless surplus wafer CVD vacuum reactor chamber with multiple vacuum and sensor ports ranging from 1/4" to 2 3/8". The entire ~900-pound unit is mounted, luckily, on a rolling stand. Cavlon # 6352

This vacuum chamber is big enough and has enough ports to be extremely versatile.The rolling stand makes it all that much more useful. There's a drain at the funnel-shaped bottom for easy cleaning. CA#6330

For sale is a  Aluminum Vacuum Chamber with Load-Lock & Rotary Platform. Cavlon Item # 2447. Raw weight is 400 lbs.  Raw dimensions are 39*48*36.