LTWHOME Foam Filters Suitable for Fluval 104,105,106 Filter x 50 PKCustom designed and manufactured for the Fluval 104,105,106 Filtration Systems Enhances biological filtration Provides efficient water flow with less clogging for long lasting filtration Good for freshwater & saltwater environments

Dimension:2

Approx size: 75mm x 55mm x 55 mm

Custom designed and manufactured for the Fluval 2 PLUS 2+ Filtration Systems

8 x Fine Filter Foam

compatible For the Juwel Standard / Bioflow 6

Approx Size :285mm x 72mm x 22mm

Approx size:106mm x 65mm x 15mm

Approx size:150mm x 150mm x 12 mm

Foam size:125mm x 125mm x 12 mm

6 x Carbon filter

Custom designed and manufactured for Fluval C4 Power Filter

They are just Activated Carbon impregnated foam