NICREW Fish Tank Filter, Internal Aquarium Filter for Small Tank, Coldwater or Tropical Aquariums, Up to 20L

Optimal water filtration system for small aquariums that ensures proper oxygenation for clear water and a healthy environment
With the detachable spray bar, Nicrew aquarium filter also could work as a wave maker, fountain water pump and oxygen supply, helping agitate the water surface and improve aeration
Quickly assembles and disassembles and comes with five suction cups for secure in-tank installation
Perfect for odd-shaped or shallow habitats–can be mounted horizontally or vertically and can be fully submerged
Internal filter providing effective and thorough biological filtration. Comes complete with media and pipework