RoB Hurricane DTI 1000 Symbol - Clear - OM "FHP" It has a magnetic metal

It has a magnetic metal top cover to protect the borosilicate glass mouthpiece from damage

the same process occurs however

Storz & Bickel

Dual quartz rod

A mixture of silica and fluxes fused together creates a frit glass

RoB Hurricane DTI 1000 Symbol - Clear - OM "FHP" It has a magnetic metalThe clear Hurricane DTI 1000 Symbol The smoothest rip you'll ever take! That is how our testers described the Hurricane bongs from RoB with their patented cyclone technology when they got their hands on them. No more irritation when you take a massive pull of some super dank chronic, no more dirty ashtray taste, just clean smooth clouds that will leave you wanting another hit straight away. This is a world class bong, have no doubt. The Clear Symbol