Aquarium Plants CO2 Regulator Valve-Regulator Diffuser Single-Head Dual-Head

Aquarium Valve-Regulator Diffuser Single-Head/Dual-Head CO2 only, other accessories demo in the picture is not included! 1 x Aquarium Valve-Regulator Diffuser Single-Head/Dual-Head CO2. Co2 regulator for valve applies nut lock design can effectively lock the CO2 tube, to prevent the accidents caused by loose.

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