Just In – Small Bench Top Size Temperature Humidity Test Chamber Internal Dimension of 13.8″ X 11.8″ X 11.8″ Temperature Range, -30 to +130 Deg. C Humidity Range of 10% to 95% With A Water Recycling System. Has A Watlow F4 Programmer With RS-232 This Is A Great Little Portable Chamber. In Excellent Condition – This Chamber Can Be Shipped Quickly – Short Lead Time! Why wait for months from the Mfg. when you can get this chamber.