Stronger, cleaner, and safer than boro.
All Optech™ Quartz parts are high tech, high purity electrochemically formed & vacuum kiln purged fused quartz. Because quality is everything.
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Best quality hands down compared to other companies .
My go to for everything. I grabbed different sizes for my different bangers. I kick the snot out of them and they are like day 1
I recommend these. Do as they are supposed to.
Awesome product for any slurper or blender!
Great heat retention and easy cleaning. Recommend to anyone and everyone in slurpers and blenders. I didn't know how much better they make the experience. Don't hesitate.
Works great with my 16 mm hybrid