<http://schema.org/description>
"This is a very special Precooler by Weed Star. It features a 4-arm diffuser to provide an extra smooth smoke.  The main joint is 29.2 (Zumo size on a Roor) and the detachable 4-arm diffuser slots into it, reducing the joint size to fit an 18.8 bowl."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.everyonedoesit.com/weed-star-pre-cooler-4-arm-diffuser.html>