This is a permanent, all-aluminum mesh grease filter and has a light lens to avoid grease spattering on your light bulb. Your service life is extended due to the staggered baffle pattern while catching 86% of the grease particles. This allows the grease to depth load which gives you a longer time span between cleanings, keeps your cooking surface cleaner and prolongs the life of your range hood. Simply clean using warm water and dish soap.
These filters are designed as replacements for Whirlpool range hoods.