Glass has good quality: these elbows are made of glass and are engineered to withstand repeated exposure to high temperatures without clouding or compromising their structural integrity. materials are chosen to maintain transparency over a wide range of temperature conditions. Universal 14mm male fitting compatibility: these tubes feature standardized 14mm male ground fittings for seamless connection with a variety of glassware systems, bongs, and experimental setups. uniform dimensions are designed to provide broad interoperability and ease of assembly. Conforming 90° curved flow path: smooth right-angle curved shape helps direct airflow or vapor through a compact configuration. this curved design may help create a more organized and space-saving setup where straight pipes are impractical. Versatile applications for many purposes: from custom vaporizers and aromatherapy devices to diy scientific glassware, these tubes provide adaptable components for hobbyists and home enthusiasts alike. their neutral design focuses on functional integration in a variety of projects. Hree-pack value protective packaging: each set includes three bent tubes, individually padded to help prevent damage during shipping. these multiple components provide ready-to-use spare parts or options for building interconnected systems.