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| Revolutionary filtration media! The bacteria house emits far infrared ray (FIR) and helps to break down hydrogen bond in water, resulting in an oxygen increase in the entire aquatic environment: |
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| Bacteria House RH1 (Dimension: 170 x 40mm) |
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Bacteria House RR1 (Dimension: 19 x 19mm) |
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Bacteria House RR2 (Dimension: 25 x 25mm) |
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