JBL UniBloc 6016100 Bio Filter Foam Insert for Aquarium CristalProfi e 40X, 70X, 90X, 2 Pack

Clean and healthy water: Bio Filter Foam Insert for the middle baskets of CristalProfi e aquarium filters Use: Insert into the middle filter basket Remove round middle section for special filter materials Pore size especially suited for bio-filtering Contents: 1 x JBL bio-filter foam insert, pack of 2, 6016100, for aquarium filter CristalProfi e 40X, e 70X, e 90X