Aquarium CO2 System Generator Bottle Cap Fish Tank Live Plant DIY Air Diffuser Generator Tool Carbon Dioxide Reactor Instrument

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Aquarium CO2 System Generator Bottle Cap Fish Tank Live Plant DIY Air Diffuser Tube Valve Guage Carbon Dioxide Reactor Quick Screw Part Accessories Specification: Material: Engineering Plastic Size: 3.4*3.2cm Function: Suitable for all kinds of DIY reactors, directly tightened carbonated beverage bottles, safe, durable, and air-tight.

Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement.

1 X Bottle Cap