1 Glass Apparatus Dryer 2 12/20/30 holes 3 Weight: 7 and 8 ... control temperature device , can adjust temperature between 40-120 °C, ( Type B )7 Whole stainless steel, adjust temperature device ... . ( Type B )8 holes, 20 holes, 30 holes, I believe it must have one ... HZ)Length(mm)quantity(Q)Temperature(°C)accuracy(°C)B800~220/50170/200 12/20/3040/120±5400×4007C8 Keda ...