Dishwasher-safe aluminum filter features a quick-release latch and professional style appearance, Multi-speed fan control adjusts to meet your needs, 2 bright 50-Watt halogen lights (bulbs included) improve cooktop visibility, Heat Sentry(R) option automatically turns the blower to high speed when it detects excess cooking heat, Model RMPE7004 offers several external blower options: four exterior in 600, 900, 1200 or 1500 CFM and four in-line in 280, 600, 800, or 1100 CFM. (Blowers sold separately.), Optional stainless steel liners complete the custom look of your hood and protect surrounding cabinetry, Limited 1 year