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Stainless Steel CO2 One Way Check Valve For Aquarium Co2 System Aquarium CO2 Diffuser fish CO2 supply system
Specifications:
- Type: Check Valve
- size: 37.1x 7.9mm
- Power: NO
- color: silver
- co2 regulator: diy co2
- Brand Name: TOPINCN
- Origin: CN(Origin)
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