With a CO2 regulator, you can regulate the amount of CO2 accurately and safely first Thickened acrylic tube bubble counter, improved corrosion resistance, longer service life long, the plants can deliver CO2 optimally and grow beautifully 2 screens let you read the parameters and you can make sure they are as 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 Contents of the delivery : 1 double counter electromagnetic potentiometer, 304 stainless steel, aluminum alloy
