- Product Description
Grav Labs - Inside-Cut Showerhead Diffuser Downstem - 18.8mm > 14.5mm
Handmade in the USA, this high-grade borosilicate glass downstem from Grav Labs is both a diffuser and adapter in one! The tip features Grav Labs signature showerhead perc that breaks up your hit into smaller bubbles for a silky smooth toke. The glass-on-glass joint is a low-profile inside-cut 18.8mm > 14.5mm reducing adapter, so it will fit your 18.8mm tube and any 14.5mm bowl or tube attachment. Choose length when ordering: 4 inches (10.2cm), 5 inches (12.7cm) or 6 inches (15.2cm).