Replacement carbon range filter made by Filter Everything and compatible with LG / Zenith 5230W1A011B. Dimensions measure 4-7/8 x 7-3/4 x 3/8 inches. 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.