For even microwave distribution, use a vertical configuration. Teflon coating on 316L industrial stainless steel cavities prevents acid corrosion and boosts cooling effectiveness. Users can also create, store, change, and delete the pre-installed common standard methods. - Vessel quantity of 6. - Vertical design for even distribution of microwave. - 316L industrial stainless steel cavity with multilayer teflon coating avoids acid corrosion, also improves cooling efficiency. - Pre-installed general standard methods, users can also create, save, modify and delete the method.