Item Type: Beer Aerator Kit Material: Stainless Steel Tee Connector Thread Size: 1/2in Weight: Approx. 264g / 9.3oz Pagoda Head Diameter: Approx. 12mm / 0.5in Aerator Stone Diameter: Approx. 7mm / 0.3in Product Size: Approx. 12.9x8.6x2.5cm / 5.1x3.4x1.0in 12m aerator stone can be directly connected to any pot, pump or counterflow/flat wort cooler. 2The 1/4?inch barbed air inlet can be connected to an oxygen regulator or air pump. 3The perfect home brewing beer accessories, easy to install and use, to make pure beer. 4High?quality stainless steel material, durable, wear?resistant and corrosion?resistant. 5Exquisite workmanship, stable performance, safety and reliability, good sealing and leakproof performance. 1 x Tee Connector 1 x Aerator Stone 2 x Pagoda Head Accessory 1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding. 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.