Preserve food for up to 25 years without refrigeration. Dimensions Overall product dimensions: 18″ W x 21.25″ D x 28.5″ H. Perfect for counter top, cart, or table. 4 trays (7.5″ W x 18″ L x 0.75″ H) 112 lbs. There is also a detachable vacuum pump that sits outside the freeze dryer. Premier Vacuum Pump: 32 lbs