LTWHOME Compatible Foam Filter Block Replacement for Fluval Spec Aquarium (Pack of 6)Pack include: 6pcs. Custom designed and manufactured for Fluval Spec Aquariums. Remove large particles keeping your aquarium clean and clear. Provide efficient water flow with less clogging for long lasting filtration. Provide both mechanical and biological filtration.

Packing include: 12 pcs coase foam filter

6 x Bio-Foam filter

Custom designed and manufactured for Eheim Aqua Compact 40 / 63

Packing include: 6pcs fine foam filter

Pack include: 12pcs foam filter (approx size:285 x 72 x 22mm)and 12pcs polishing pads(thickness: 25mm)

Approx size: 235mm x 64mm x 17mm

Good for freshwater & saltwater environments

Approx size:235mm x 65mm x 8mm

Not Hagen FLUVAL genuine

Packing include: 6pcs actived carbon filters

Good for freshwater and saltwater environments

10mm x 70mm