Especially designed to be installed in custom hood for use over residential commercial-style cooking surfaces Infinitely adjustable blower control is designed to provide the precise speed you need for whatever is cooking Optional remote control allows you to operate the hood at your own convenience (RMIPWC sold separately) Two Halogen bulbs provide brilliant lighting over the cooktop and surrounding area (uses two 50-watt, PAR20 Bulbs - Not Included) Three mesh filters are included; stainless steel baffle filters are optional and add to your hood's professional performance (RBFIP33, sold separately) Optional stainless steel liners complete the custom look of your hood and protect surrounding cabinetry (RML3336S or RML3342S, sold separately). Liners allow depth adjustment from 23.5 to 26.5 Heat Sentry adjusts speed of blower to high automatically in case of excess heat, to prolong product life Select the proper blower - Choose from 460 or 850 CFM Internal (P5 or P8), or External blowe