WS – Double Circ Perc Precooler with Recessed Joint – 18.8mm
Keep ash and debris out of your water pipe while cooling and filtering smoke with this Double Circ Perc precooler from WS. This glass accessory fits into 18.8mm ground joints, and its recessed, Dewar-style joint fits most standard 18.8mm slide bowls. With its fixed double circ perc downstem, you can easily and affordably add extra percolation to nearly any set-up. This piece is made of quality borosilicate glass, with the blue WS label applied on the chamber.