Features: and excessive quality,Made of top class supplies for durable and life like use For BioPress / PondoPress Media Filter Foam Set Compatible model: For BioPress 4000 / PondoPress 5000 Foam Set Replacement Filter Foam for BioPress & PondoPress Pressure Filters Fit for BioPress/PondoPress Media Sets High high quality filter out foam media provides complete mechanical filtration Super porous foam material supports hold pond water Foam filtration eliminates debris from the pond water Easy to install and keep Specifications: Color: Black & Blue Material: sponge Package Contents: 1 x Filter Foam package Only the above package content, different item are not included. Note: Light mirrored image and diverse reveals could cause the colour of the thing in the picture slightly diverse from the real thing. The size allowed error is +/- 1-3cm.