GLASS Diffuser Coupling, 18.8, 10 cm

The Glass Diffuser Coupling 18.8 mm (10 cm) is designed to improve airflow and filtration in water pipes. Made from high-quality clear glass, it features diffuser slots at the lower end that help break smoke into smaller bubbles for smoother, cooler draws. With a standard 18.8 mm joint and a practical 10 cm length, this diffuser coupling is compatible with many glass bongs and water pipes and is easy to install and clean.