Foam Filter Block for SPEC/EVO/FLEX Aquariums

When it's time to improve the water filtration system in your fish tank, this Fluval Foam Filter Block is designed for SPEC, EVO and FLEX desktop aquarium series. It's designed to provide critical stage 1 mechanical filtration by trapping large particles and debris. This filter block is equipped with a handle so you can replace it without making an undue mess. Suitable for these aquariums: EVO 13.5 G (52 L) EVO 5 G (19 L) SPEC 2.6 G (10 L) SPEC 5 G (19 L) FLEX 9G (34 L)