large 4 diffuser downstem

Multi-Arm Percolator Glass Diffuser Downstem (18mm to 14mm)

Upgrade your glass rig's performance with this high-efficiency Multi-Arm Percolator Downstem. Featuring individual cobalt blue diffusers, this downstem splits single smoke streams into dozens of micro-bubbles, instantly lowering temperatures for noticeably smoother, cleaner pulls.

Crafted from durable borosilicate glass, it fits standard 18mm female ground joints while accommodating 14mm male bowl slides.

Key Features

• Multi-Arm Diffusion: Multiple blue glass branches disperse smoke into micro-bubbles, maximizing surface contact with water for rapid cooling.

• Dual-Joint Sizing: Standard 18mm ground-glass joint tapering to a 14mm inner joint—compatible with most classic beaker and straight-tube setups.

• Premium Borosilicate: Heat-resistant, thick borosilicate glass designed to handle thermal stress and frequent cleaning.

• Smooth Airflow: Precision-slitted tips minimize pull resistance, giving you a full, airy drag every time.

Product Specifications

Specification Details:

Material Borosilicate Glass

Outer Joint Size

18.8 mm Inner Joint Size

14.5 mm Percolator Style Multi-Arm / Tube Diffuser Color Accent Cobalt Blue