electric,22" x 18" grill area,thermostatic controls,self-contained hood system,stainless steel construction,RW-26 (2) drawer warmer base,front legs,rear casters,cULus,NSF (NON-RETURNABLE Item) (For replacement filters,this model requires (1) Pre-filter (22618) & (1) HEPA Charcoal Filter Pack (22619))