Designed for curing composites, The Grieve Corp.'s (Round Lake, Ill.) No. 960 gas-heated tunnel oven features 4-inch/102-mm insulated walls throughout, plus an aluminized interior and exterior, and motor-operated vertical lift door. The 75-inch wide by 156-inch long by 25-inch high (190.5-cm by 396-cm by 63.5-cm) oven produces heat at 400,000 BTU/hr and features a 10-hp recirculating blower and an onboard temperature controller with digital readout.