Co2 Reactor Air Diffuser Generator Double Connector Tube Valves Guage Bottle Cap Diy Aquarium

feature: If the aquatic plants in your fish tank/aquarium are slow growing and need more CO2, this bottle cap may help you

Description: Name: Co2 Reactor

Category: Aquarium Equipment The specifications of the trachea connected by the joint are: inner diameter 4MM outer diameter 6MM Material: All are high quality ABS engineering plastics The details of the materials are real, the design is exquisite, and the production is precise

Packing list: 1 x Co2 Reactor  Note: Different displays may cause the color of the item in the picture a little different from the real thing.  Manual measuring,please allow 1-3mm error,thank you.