20 PCS Fish Tank Oxygen Pump Trachea Check Valve, Specification: 4mm (Blue)

$1.52

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1. Material: ABS
2. Safety lock to prevent backflow
3. The aerator pump can be placed in any position, pay attention to the direction of the air outlet when installing
4. Air out directly from one end, if it can be blown through, that is, this end is the air inlet and the other end is the air outlet
5. Safe and durable, safe to use
6. Dimensions: 4mm total length 5.5 cm, 4mm blue total length 4.3 cm, 8mm total length 5.5 cm, 10mm total length 4.5 cm, 12mm total length 3.8 cm, 4mm white red/white black total length 4.2 cm
7. Weight: about 8 grams

Specification:

Package Weight

One Package Weight

0.18kgs / 0.41lb

One Package Size

14cm * 13cm * 4cm / 5.51inch * 5.12inch * 1.57inch

Qty per Carton

162

Carton Weight

30.00kgs / 66.14lb

Carton Size

50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch