Electrically heated, 500°F (260°C) cleanroom oven has two chambers, each 34 x 54 x 72”. A 10,000-cfm, 7.5-hp recirculating blower provides horizontal airflow to a common central duct system while 80 KW are installed in Incoloy-sheathed tubular elements. Features include 4” insulated walls; Type 304, 2B finish stainless-steel interior with continuously back-welded seams; stainless steel exterior with No. 4 brushed finish; and a HEPA fresh-air filter with 2” prefilter. Shelf trucks with supports on 2” centers as well as transfer dollies with oven-to-dolly and dolly-to-truck latches are included to ease load handling.