Features Simple Home Brewing Made Easy: Transform your home brewing experience with the TR21 4 to W21.8 14 Adapter, designed for hassle-free setup and operation Precision Engineering for Seamless Fit: This adapter features a carefully crafted thread size, ensuring a secure and leak-free connection for your brewing needs Durable Aluminum Alloy Construction: Built from high-quality aluminum alloy, this converter is sturdy and resistant to wear, guaranteeing long-lasting use in your brewing projects Reliable and Consistent Performance: Engineered for high reliability, this soda cylinder converter ensures stable characteristics for efficient and effective brewing results Compact and Portable Design: Lightweight and compact, this adapter is easy to carry and store, making it the perfect solution for all your home brewing adventures Features: 1、SIMPLE HOME BREWING: With this TR21 4 to W21.8 14 adapter, your home beer brewing will become a breeze. 2、 MANUFACTURED: This adapter is professionally manufactured with thread size, allowing for a seamless and connection. 3、STURDY ALUMINUM ALLOY: Made from aluminum alloy, this converter is sturdy and resistant to damage, ensuring a long lifespan. 4、SUPERIOR PERFORMANCE: With stable characteristics and high reliability, this soda cylinder converter ensures consistent and efficient use. 5、COMPACT AND LIGHTWEIGHT: Featuring a small size and lightweight design, this adapter is easy to carry and store, providing convenience for your home brewing needs. Specification: Item Type: TR21 4 to W21.8 14 Adapter Material: Aluminum Alloy Application: TR21 4 to W21.8 14 Adapter Package List: 1 x TR21 4 to W21.8 14 Adapter Package List 1 x TR21 4 to W21.8 14 Adapter