These PSLI Island Mount Ventilator Power Packs by Modern Aire are designed for island cooktops with 65k to 110k BTU. The ventilator power packs are made of premium 300 series stainless steel and feature a polished stainless steel baffle filter system, a variable speed motor control, halogen lighting with dimmer control and double wall construction. Choose an internal motor with 600 or 1200 cfm. The dishwasher-safe stainless steel baffle filters create a quieter air transition. The power packs mount 30" to 32" above the cooktop and are available in custom sizes.