Feature:1. 2m aerator stone can be directly connected to any pot, pump or counterflow/flat wort cooler.2. The 1/4inch barbed air inlet can be connected to an oxygen regulator or air pump.3. The perfect home brewing beer accessories, easy to install and use, to make pure beer.4. Highquality stainless steel material, durable, wearresistant and corrosionresistant.5. Exquisite workmanship, stable performance, safety and reliability, good sealing and leakproof performance.Specification:Item Type: Beer Aerator KitMaterial: Stainless SteelTee Connector Thread Size: 1/2inWeight: Approx. 264g / 9.3ozPagoda Head Diameter: Approx. 12mm / 0.5inAerator Stone Diameter: Approx. 7mm / 0.3inProduct Size: Approx. 12.9x8.6x2.5cm / 5.1x3.4x1.0in.Package List:1 x Tee Connector1 x Aerator Stone2 x Pagoda Head AccessoryNote: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.