Emperor Pronunciation: "Emp-Er-Or" Features Built To Deliver "Best-In-Class" Performance, The Wpd39 Will Be A Beautiful Addition To Your Outdoor Kitchen. The Size Of The Wpd39 Series Provides Unparalleled Smoke Capture And Grease Collection, Via Baffle Filters Positioned In A Patent Pending V-Shape Design. Grease Travels To A Removable Tray Located At The Back Of The Hood .... Easy To Remove & Easy To Clean. And With Several Choices Of Flue Extension, Wall Extension, And Best Blowers, You Are Truly Designing The Range Hood Of Your Dreams To Complement Your Outdoor Kitchen. 18" Tall Hood With Impressive 30" Deep Capture Area Has Corrosion Resistant Stainless Steel Construction That Stands Up In Outdoor Environments Available In 36", 48" And 60" Widths To Support Virtually Any Grilling Demands Optional 3" Wall Extension Increases Cooktop/Grill Coverage To 33" For Even Greater Capture Assurance Unique V-Shape Baffle Filter Design (Patent Pending) Allows Grease To Travel Into A Non-Stick Grease Tray For The Easiest Of Clean Ups You Choose The Right , 1300 To 1650 Max Cfm Blower For Your Application - Works With Internal Superpro 1200™ (P12) Or Choice Of External Blower, Exterior 1200 Cfm (Eb12) Or 1500 Cfm (Eb15), Or Inline 1100 Cfm (Ilb11). All Blowers Purchased Separately Variable-Speed Electronic Controls Offer A Range Of Ventilation Speeds To Remove Smoke And Grease For The Most Affective Operation Heat Sentry™ Detects Excessive Heat And Adjusts Blower Speed To High Automatically To Prolong Product Life Dual Level Halogen Bulbs (Mr16, Gu10-50W) To Keep The Grill And Surrounding Area Flooded With Light, (Two Bulbs Included In 36", Three In 48" And 60" Widths.) Optional Flue Covers Available To Fit 8', 9' And 10' Ceilings For Standard Or Wall Extension Installations