Universal (Cut-to-Fit): Economical filter made of synthetic fibers that can be easily adjusted by cutting it to the desired dimensions. It traps grease and is suitable for most range hoods.
Metal, Grease (Washable): Permanent, washable filter (aluminum or stainless steel) that traps grease during cooking and protects the hood motor.
Activated Carbon: Essential filter for range hoods that operate with air recirculation (without a duct/chimney to the outside). Effectively traps odors.