Product details:

QMark / Marley wall heater has compact design and versatility. heaters ideal for dens, basements, converted attics and breezeways, garages, bathrooms, small offices, workshops and similar areas. Heating element is heavy duty steel fins brazed to steel sheathed tubular elements in a grid pattern that covers the entire discharge area. Designed for easy installation. Heater is mounted prior to wiring.