Home / Aquatics / OASE Indoor Aquatics / OASE External Filters Product Description Set of 4 60ppi Pre filter foams for the Oase BioMaster Range Specifications Brand Oase Condition New Product Code 45266 Customer reviews No reviews left yet Write A Review Sort byMost RecentTop Rated Description Set of 4 60ppi Pre filter foams for the Oase BioMaster Range Reviews No reviews left yet Write A Review Sort byMost RecentTop Rated Attributes Brand Oase Condition New Product Code 45266 Delivery & Returns Customer Reviews Oase Biomaster Pre Filter Foam set 4 60ppi Item in Stock Product Code 45266 £11.99