GLASS Diffuser Coupling, 18.8 Mm, 16 cm

The Glass Diffuser Coupling 18.8 mm (16 cm) is designed to deliver smoother and cooler draws by improving diffusion inside water pipes. Crafted from durable clear glass, the integrated diffuser breaks smoke into fine bubbles, enhancing water filtration and airflow. With its extended 16 cm length, this coupling is ideal for larger bongs or deeper water levels. Simple to install and easy to clean, it works perfectly as a replacement part or a functional upgrade.