This 3-piece clear borosilicate glass Grip-Flash attachment is a spare or replacement part for the ,. The chamber features a comfortable molded grip and a green Grip-Flash decal. At the top, an 18.8mm female joint comes fitted with an inside-cut 18.8mm > 14.mm slitted diffuser downstem and a 14.5mm clear glass funnel bowl. With a little water in the chamber, the diffuser will break up smoke into bubbles with increased surface area for a smoother hit with improved flavor.,The male 14.5mm joint works together with the Jet-Flash mouthpiece, using the Venturi principle to create a smoke-cooling swirling action when you inhale. The result is silky smooth smoke that’s less harsh on your throat and lungs. This piece can also be used as a precooler by attaching it to any bong with a 14.5mm joint.