With a CO2 regulator you can first regulate the amount of CO2 precisely and safely Thickened acrylic tube bubble counter, improved corrosion resistance, longer service life, plants can provide CO2 optimally and grow beautifully 2 screens let you read the settings and you can make sure they are the way you want It is made of high quality aluminum alloy. The simple design not only makes installation easier, but also makes your aquarium more beautiful CO2 regulators can be used with our wall clocks to make automatic timer switches Scope of delivery: 1 double counter electromagnetic potentiometer, 304 stainless steel, aluminum alloy
