Replace Part Number: WRHF004S2 Fit for Winflo 30 In. Under Cabinet Ductless & Convertible Stainless Steel Glass Island Range Hood Models: W109C30W, W109C30B, W109C30 W108C30B, W108C30, W108C30W WH101B36D, W111B30, W112A1B36D W122C30, W111C30, WH101B36 WH102B30G Feature: Filters soot particles and removes odors for cleaner kitchen air. For ductless range hoods, easy to install without tools. Durable materials resist corrosion and high heat for long use. Package Includes: 4 x WRHF003S2 charcoal filter Tips: For the best performance, it's advisable to replace charcoal filters every 6 months if you use it for regular cooking.