Replacement carbon range filter made by Filter Everything and compatible with Broan 99010187. Dimensions measure:10-7/16 X 11-3/8 X 3/8. Sold as a 1-Pack. Our filters are manuctured to meet or exceed OEM quality and are fully compatible with the name brand (OEM) model. Aluminum filters should be cleaned every 60-90 days; carbon filters should be replaced every 6-9 months. Proudly packed and shipped from our facility near Cleveland, OH.