MJ Arsenal Tetra Hand Pipe

The MJ Arsenal Tetra Hand Pipe is a compact, designer dry herb pipe built around a four-column body developed by Andy Roth. It's sized for everyday carry — 4.5" long, fits in a pocket, and won't roll off a table. If you're shopping for a quality hand pipe from a reputable brand, the Tetra is a reliable pick. The 19mm bowl is wider and deeper than most spoon pipes at this price point, which means fewer repacks per session. The left-side carb is responsive, and the borosilicate build holds up to daily use without issues. FAQs What is the Tetra designed for? Dry herb smoking. It's a standard hand pipe — pack herb in the bowl, use the carb to control airflow, and light up. How big is the bowl? 19mm diameter and 19mm depth — larger than most pipes in this category, which means more herb per pack. Is the glass thick? Yes. MJ Arsenal uses quality borosilicate construction, and this piece is built to last. Who designed it? Andy Roth — a designer who collaborated with MJ Arsenal on the four-column aesthetic that defines this piece. How do I clean it? Soak in isopropyl alcohol with coarse salt and shake. The four-column exterior has fewer tight corners than traditional spoon pipes, making cleaning more effective. What's included? Just the Tetra hand pipe. No screens, tools, or accessories are included. What are the full dimensions? 4.5" x 2.2" x 1.8". Packaging is 3.5" x 5.5" x 2.5". Total beginner? Read this What's a hand pipe? The simplest way to smoke dry herb. Pack herb in the bowl, cover the carb hole with your thumb, light and inhale. Release the carb at the end of a hit to clear the smoke. What's the carb hole? A small hole on the side of the pipe. Covering it while you inhale draws smoke; releasing it lets fresh air flush the chamber and clears the hit. Why borosilicate glass? It's heat-resistant, non-porous, and won't affect flavor. Standard material in quality glass pipes. How much herb do I need? The 19mm bowl is on the larger side. You don't need to fill it completely — a half-pack still works fine. How do I know when it needs cleaning? When airflow feels restricted or hits taste harsh and acrid. Most regular users clean every 1–2 weeks. Specs Brand: MJ Arsenal Material: 100% Borosilicate Glass Dimensions: 4.5" x 2.2" x 1.8" Bowl Diameter: 19mm Bowl Depth: 19mm Carb Position: Left Color: Clear Packaging Size: 3.5" x 5.5" x 2.5" Designer: Andy Roth (MJA x Andy Roth Collection)