Glass Tubes from the HiSi Lab are built for optimized cooling, moisture conditioning, easy draw and durability. We incorporate unique percolator designs to create maximized cooling and moisture conditioning smoke and vapor delivery devices.
Obtain Higher Learning with HiSi
Treat Yourself! Take 20% Off Your First Order:
Enter aug23 at checkout
New HiSi Customers: Get 15% Off Your First Order
Fan Favorites
Double & Triple Geyers are back in stock!