- SPU: AL-DBA4-7bvrjd96[C4]
- Material: PVC plastic
- Product Category: Oxygen Pump
- Specifications: ZY-N08-USB air pump-single
- Specifications: ZY-N10-USB lithium battery air pump-single
- Specifications: ZY-N12-USB lithium battery air pump-double
- Specifications: 1 meter oxygen pipe + 1 check valve + 1 sand head
- Specifications: ZY-118-USB mini air pump
- Category: Aquarium Equipment
- Features: USB charging
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Zhiyang The New USB car new AC/ DC lithium battery oxygen pump
Purchase Notes: Regarding the issue of silent and non-silent oxygen pumps, the principle of the oxygen pump is to produce powered oxygen by beating the inner cup, and there must be a certain sound, so" "Silent" does not mean no sound, it just means a difference in the size of the sound, which means it is quieter. Most home aquarists use 35- It is about 50 decibels. There are certain differences in sound and gas volume at different price points. All oxygen pump sound tests must be connected to the oxygen pump. Normal use shall prevail after Shatou turns on the power supply. The national regulations stipulate that the noise is 55 decibels during the day and 45 decibels at night. Please respect yourself. , for the senses, peers have" "Silent" is collectively referred to as less than 40 decibels." mute"
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