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Tetra Whisper Power Filter for Aquariums, 3 Filters in 1 Up to 60-Gallons$79.28
Assembly against its outside wall. If you feel a magnetic attraction, the Energizer is functional. gravel may have lodged at the bottom of the Energizer Well.
Slide the Wonder Tube up and down in the.,Assembly against its outside wall. If you feel a magnetic attraction, the Energizer is functional.