Two types of ovens are available. The LEB Series is the most economical with microprocessor based single set point digital temperature control and a manual reset high limit. The LAC Series is the high performance line, its microprocessor based control system permits single set-point operation, timer function, and up to 48 steps of ramp/soak programming. Both the LEB and the LAC series are available in various sizes. All models have stainless steel interiors. Series | Maximum | Temperature Airflow | LEB系列 | 400° F/204° C | Gravity | LAC系列 | 500° F/260° C | Horizontal Forced Re-circulating | |