Universal Ventless Hood,48" cooking zone,horizontal air discharge,4-stage filtration: grease filter,pre-filter,HEPA filter and charcoal filter,self-contained fire protection system,air flow sensors,LED lights,interlock system,stainless steel construction,adjustable legs,3/4 HP,208/240v/60/1-ph,3.5 amps,UL Classified,cULus Classified,US (NON-RETURNABLE Item) (For replacement filters,this model requires (2) Pre-filters (22618) & (1) HEPA Charcoal Filter Pack (23312)) (Note: field convertible to vertical air discharge)