OASE Indoor Aquatics Pre-Filter Foam Set of 6 for The Biomaster 45 Ppi

The Pre-Filter Foam Set 45 Ppi For The Bio Master 250, 350, Or 600 Includes 6 Fine Replacement Filter Foams Customize Your Choice Of Filter Foams To Meet The Needs Of Your Aquarium Timing To Replace The Pre-Filter Foam Set Varies Upon Aquarium Size And The Number Of Fish And Plants Package Dimensions: 7.28" L X 2.28" W X 10.12" H