MUFAN Aquarium CO2 Regulator w/ Solenoid Valve and bubble counter CGA320

Specification: Material: 3.4 stainless steel + aluminum alloy Interface: CGA320 Dimensions: 12.5*16*7.5 Packing weight: 620g The inverse bubble: just need to add 4/5 water before using. Output Work Pressure Gauge: The output pressure is normal at 40~80psi. Cylinder Pressure Gauge: The bottle pressure would change as room temperature, It is normal if it shows between 500 and 1000. If it  declines quickly. Features: Cryogenic solenoid valve, with corrosion resistance, longer service life Equipped with double meter, clear working condition display Polished stainless steel surface, delicate, exquisite and durable Professional sealing technology, high adjustment accuracy   Package includes: 1x Aquarium CO2 Regulator CGA320