Submersible Internal Oxygen Filter


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The main advantage of the filter is the built-in sprinkler, which perfectly aerates the water and makes the water in the aquarium gently wavy. The use of a sprinkler is much more practical than the use of a regular outlet. The filter also has a standard outlet with an aeration tube. The sponge cartridge included in the set ensures mechanical and biological filtration.


  • High efficiency
  • Low energy consumption
  • Housing made of high-quality ABS plastic
  • Flow efficiency regulation
  • Easy to use and clean
  • Low noise level
  • Sprinkler and aeration hose included


Model HJ-111B HJ-311B HJ-411B HJ-611B
Power 2 W 2 W 2 W 6 W
Head 0.45 m 0.6 m 0.6 m 0.9 m
Flow Rate 200 L/h 300 L/h 300 L/h 450 L/h
Size 105 x 38 x 32 mm 133 x 44 x 36 mm 115 x 44 x 36 mm 163 x 53 x 43 mm
Power Cord Length 1.5 m 1.5 m 1.5 m 1.5 m




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