Economy Model, Double Walled Hot Air Ovens with Digital Temperature Controller (PID Control) Working Temp upto 200deg cen and 2 Trays for Laboratory Application. Jan 11th, 2020 7:07 AMShare this on :KeywordsPID ControlEconomy ModelHot Air OvensDigital Temperature ControllerWorking Temp upto 200deg cen2 TraysLaboratoryDouble