Qmark’s (Marley) is redesigning most of their wall and ceiling heaters with new grills. They have now done the QCH Ceiling Heaters, which have also received the -F suffix. The new grills are white and rounded, as were the wall heater grills:
The type QCH Ceiling Mounted Heaters are designed for dens, basements, converted attics, breezeways, garages, bathrooms, small offices, workshops and similar areas. 500 to 2000 watts.
Room temperature is controlled by a remote wall thermostat which must be purchased separately.