Covea adapter for installation on a gas cylinder, precisely aligning the diverter valve vertically with the top opening of the gas cylinder. To install on a Kevea stove product: After aligning the diverter valve with the piping valve along the same line, turn the knob clockwise. Please ensure there are no leaks after installation. Use only with KOVIA products. Two products are allowed to share one gas cylinder. Suitable for carrying due to its small size