Features: Brushless, permanent magnetic rotor, maintenance-free. Stator and circuit board sealed by epoxy resin. Amphibious design. USB interface, DC 5V input. Enclosed with static sealing, not dynamic, which can avoid leaking problems. ...

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Product Description: DIY Co2 generator system D301 Pre-connection, avoid wrong connection Pure and long lasting Co2, promoting plants growing Easy to set up, low cost, convenience, practical and safe Universal design, fits most tanks or...

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