Mufan CO2 Regulator + Solenoid Valve W21.8 UK Aquarium - Fits Fire Extinguishers

Mufan CO2 Regulator + Solenoid Valve (W21.8 UK). Genuine Mufan CO2 regulator with solenoid valve. 1 x Mufan CO2 Regulator with dual gauges (W21.8 connection). Compatibility: W21.8 connection (UK standard) fits both aquarium CO2 cylinders and standard CO2 fire extinguishers.

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