ENERGY STAR qualified with either top or rear ducting applications; non-ducted operation uses charcoal filters (sold separately Filter Model HPF30), EZ1(R) system makes it easy for single-person installation in less than half the time of traditional methods, Tap-touch electronic controls feature LED indicators that display fan speed, lighting levels and signal filter replacement reminders, Range hood is installed as hardwired or with an optional power cord kit (SHCK44; sold separately), Captur(TM) system and 375 max blower CFM is 98.1% efficient in removal of smoke and odor from cooking, 2 dishwasher-safe Deluxe Micro Mesh filters feature advanced high-flow technology to grab more airborne grease and include decorative face plates for an added touch of style, Slim and refined lines in an under-cabinet convertible range hood for a refreshing change in today s kitchens, Heat-resistant, 2-level LED lighting with ENERGY STAR qualification and 3-year warranty provides crisp, even light over the entire cooking surface, 1-year limited manufacturer s warranty