This Croia Glass 15-inch scientific bong hits different. The tree percolator at the base breaks up smoke into fine bubbles for serious filtration, while the internal spiral cooling coil does the heavy lifting on temperature. Smoke spirals through the coil, gets pushed against the glass walls by centrifugal force, and cools down before it reaches you. The whole thing is built from thick borosilicate glass that can handle temperature swings without cracking. It comes with a 14mm male bowl and sits at a solid 15 inches tall with a recycler-inspired chamber that looks as good as it functions.
Highlights:
π³ Multi-arm tree percolator for aggressive diffusion
π Internal spiral cooling coil extends the smoke path
βοΈ Centrifugal airflow design improves heat dissipation
π Premium borosilicate glass with thermal shock resistance
π 15 inches tall for expanded filtration stages
βοΈ Balanced airflow despite multi-stage filtration
π Includes 14mm male bowl
π¬ Recycler-inspired chamber for dynamic smoke movement
If you want smooth, cool hits from a bong that actually looks like it belongs in a lab, this is the one. The engineering here is legit.
Specifications
Specifications
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FAQ about 15" Scientific Glass Bong with Tree Perc & Spiral Cooling | Croia Glass
Returns and Refunds
How do I return a product?
How do I return a product?
Items must be returned within 30 days after receiving your order. Items must be returned in the same condition in which they were received, be unworn/unused, have any tags still attached, and include all the original packaging.
How long will it take to receive my refund?
How long will it take to receive my refund?
Refunds are processed within 7 days from when we receive the item(s).





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