POPETPOP 1 Set Aquarium External Filter Universal Fish Tank Filter Box Aquarium Filter Fish Tank Upper Trickle Box Filters System Black
- Aquarium External Filter Trickle Rain Drop Upper Box Fish Tank Water Acrylic Filter Trickle Box..
- Anti overflow baffle design, pores evenly distributed at the bottom of the box. A trickling filter is a type of wastewater treatment system..
- Stackable, use with aquarium gutter rack and placed on top of the aquarium..
- One-piece molding, the box truly anti-overflow.Easy to clean and Change material, just open the box and change the filter material when needed..
- Provides a large surface area for beneficial bacteria colonies to grow..