Features:
In order to keep your aquarium in good performance, we recommend you replace bio media for aquarium filter every 2 to 4 weeks filter mat, depending on how often you use the aquarium.
This quality and functional aquarium foam filter would make an ideal gift choice. Gift your families and friends a package and help them maintain a clean and healthy habitat for their aquatic pets.

Specifications:
Material: elastic polyester filter foam
Color: black
Size: about 4.33 x 2.56 x 2.76 inches/ 11 x 6.5 x 7 cm

Package includes:
20 Pieces of aquarium foam filter

Notes:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays.