SHL Series range hood liners feature all stainless steel construction. SGHL liners feature stainless steel face with galvanized steel housing. Both styles have built-in infinite speed control for the fan, washable aluminum filters and dimmable halogen lights (purchase separately). SHL Series available in 36", 42" and 48" widths. SGHL Series available in 30" and 36" widths. UL approved.