Dcs BH148L 48" Series 7 Grill DUCTED The Vortex One Piece Liner Leads The Vortex One Piece Liner Leads The Way With The Industry S Only Adjustable Depth Installation Ventilation Can Be Halted During Vacancy DehumidificationDehumidifies At A Rate Of 5 6 Pints Per 24 Hours (Based On Cfm Level) Boost Heat OptionProvides Supplemental Resistance Heat In Heat Pump Mode Heat & Freeze SentinelsKeeps The Room From Overheating Or Freezing Electronic Temperature LimitingPrevents Expensive Over Cooling Or Over Heating Of The Room Electronic Touch Controls With Led Display May Reduce The Need For Individually Ducted Rooftop Systems Because Makeup Air Increases Room Btu Load Requirements And Requires Additional Ptac Cooling Or Heating Dcs Grills Are Hand Finished To Perfection To Complement The Quality Of The Dcs Premium Outdoor Kitchen And Built To Withstand The Demands Of The Serious Cook And The Extremes Of Mother Nature Dcs Grills Allow You To Cook A Wide Variety Of Meals And Are Engineered To Deliver The Functionality And Power Demanded By A Professional Chef