For Use With Broan Brand Range Hoods. Broan Filters Are Made From The Highest Quality Materials To Provide The Longest Life Possible And Keep Your Range Hood Operating At Peak Performance. (Ul)(Li)Dishwasher-Safe Aluminum Grease Filter (Sold Three To A Pack). Two Required For Replacement (Single Filters Sold Under Part Number S99010299)(/Li)(Li)Refer To The Installation Guide Provided With Your Range Hood Or See The Faq Section On This Site For Proper Filter Maintenance And Warranty(/Li)(/Ul)