No. 881 is a 250oF (121oC) electric shelf oven that measures 68 x 30 x 66". Nichrome 12 kW wire elements heat the work space while a 1,000-cfm, 1-hp recirculating blower provides horizontal airflow across the workload. The oven includes a 325-cfm powered force exhauster, digital indicating temperature controller, manual-reset excess temperature controller with separate heating element control contactors and recirculating blower airflow safety switch. Circle 217, The Grieve Corp., (847) 546-8225,