OASE Indoor Aquatics Filter Fleece Set of 2 for The Bioplus White

The Filter Fleece Set Bioplus For The Bioplus 50, 100, Or 200 Includes Two Fleece Replacement Filters Customize Your Choice Of Filter Foams And Fleeces To Meet The Needs Of Your Aquarium Timing To Replace The Filter Fleece Set Varies Upon Aquarium Size And The Number Of Fish And Plants Package Dimensions: 4.92" L X 0.79" W X 5.2" H