ok I bought a weedstar inline perc bong Glass Thickness: 3.2mm Joint Size: 18.8 Diameter: 45mm i broke the diffuser but luckily the bong and the inlin ashcatcher were saved. anyways does anyone know what size the difuser is i dont have a ruler to measure. idk if it 13.5 cm, 13 cm, or 12 cm. i miss this freakin bong my local headshop doesnt carry real bongs. only cheapy glass.