Features: <br> <br>This diffusion stone is used for home brewed beer carbonization, more convenient to use. <br>High efficiency, with the help of the aeration stone, your beverage can be carbonating easily. <br>Made of high quality stainless steel material, which is corrosion resistant and durable in use. <br>Easy to clean and easy to use, this diffusion stone is a practical accessory for beer brewing. <br>The stone is ideal to force carbonate your beer, or as an aeration stone prior to fermentation. <br> <br>Specification: <br>Condition: 100% Brand New <br>Material: Stainless Steel <br>Use: for home brewed beer carbonization <br>Total Length: Approx. 48mm / 1.9in <br>Upper Diameter: Approx. 7mm / 0.3in <br>Bottom Diameter: Approx. 12mm / 0.5in <br>Type: 0.5 Micron, 2 Micron (optional) <br>Weight: Approx. 16g / 0.6 oz <br> <br>Package List: <br>1 x Diffusion Stone <br> <br>Note: <br>1. Please allow 0-2 mm error due to manual measurement. Thanks for your understanding. <br>2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.<br>1、This diffusion stone is used for home brewed beer carbonization, more convenient to use <br>2、High efficiency, with the help of the aeration stone, your beverage can be carbonating easily <br>3、Made of high quality stainless steel material, which is corrosion resistant and durable in use <br>4、Easy to clean and easy to use, this diffusion stone is a practical accessory for beer brewing <br>5、The stone is ideal to force carbonate your beer, or as an aeration stone prior to fermentation