Swiss Perc Bong performance in a compact, 7-inch form built for hash flavor and smooth pulls.

Why is it made?

Designed for solventless and concentrate lovers, this rig cools and filters vapor without muting taste. The Swiss-style uptakes move air through precision cuts, while the showerhead perc spreads bubbles for even diffusion. A built-in oil catch helps keep the piece cleaner between sessions.

What it is (plain and simple)

Type: Compact Dab Rig with Swiss-style function
Use: Low-temp dabs of bubble hash, rosin, or other concentrates
Feel: Tight draw, quick clear, strong flavor retention

What is a Swiss perc bong?

A Swiss Perc piece uses holes or “uptakes” cut through the body to guide airflow. As vapor travels, those channels create controlled diffusion that breaks up and cools the hit. You get smoother pulls with less drag and better taste.

Real-session check

We ran cold-start rosin at low heat with a 10–12 second pull. The Swiss uptakes kept the airflow stable, the showerhead smoothed the bite, and the oil catch collected residue instead of the joint. Cleanup was a quick rinse. Flavor stayed bright from first hit to last.

Short history

Swiss-style diffusion showed up in modern glass during the 2010s, evolving from early inline and showerhead percs. Makers combined those ideas—channel cuts plus a steady percolator—to improve cooling without turning the piece into a draggy tower. Today, the Swiss approach is a go-to for compact rigs that protect taste.

Specs

Material: 100% borosilicate glass
Dimensions: 7" tall × 3.1" wide
Joint Size: 14mm female
Percs: Swiss-style uptakes + showerhead percolator
Built-in Oil Catch
Finish: Colored accent
Handmade

In the box

1 × Human Grade Swiss Rig
1 × Human Grade 14mm Quartz Banger
1 × Human Grade Carb Cap

Compatibility

Human Grade Bangers
Human Grade Carb Caps

Quick tips

For hash and rosin, keep temps low to preserve terps.
Cap your draws to maintain steady pressure through the Swiss channels.
Empty the oil catch and rinse with warm water after sessions to keep the flavor crisp.

Note: This product is dropshipped directly from the supplier.

Browse more from Human Grade Glass here.

Added on October 29, 2025

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Human Grade Glass 7" Swiss Perc Dab Rig