Quartz oil nail slotted with central tube

This Black Leaf® QUARTZ oil head has slots for steam intake. The head is made of QUARTZ glass, which, in contrast to borosilicate glass, is permanently heat-resistant and retains heat better and longer. Signs of wear and tear, such as those that occur with borosilicate glass due to frequent use and exposure to high heat, are generally not to be expected with QUARTZ glass due to the low thermal expansion and high resistance to temperature changes.

Attention The oil bowl/oil nail may only be heated on the pan, otherwise there is a risk that the grinding of the bong will break due to the expansion of the material.

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