18" 9mm Castle Glass Coloured Straight Tube - Red

The 18" Castle Glass Colored Straight Tube is built for smokers who want bold colour paired with uncompromising durability. Crafted from ultra-thick 9mm borosilicate glass, this straight tube delivers a solid, premium feel designed for long-term daily use. The tall profile allows smoke to cool naturally for smooth, powerful pulls, while the wide base adds stability and confidence during sessions. Finished with vibrant coloured glass accents, this piece stands out visually while maintaining the clean, classic straight-tube performance Castle Glass is known for.

Specifications:

Height: 18 inches

Glass Thickness: 9mm

Material: Premium borosilicate glass

Design: Colored straight-tube Castle Glass styling

Body Style: Straight tube for smooth airflow and effective cooling

Base: Wide, heavy base for enhanced stability

Joint Type: Female joint

Compatibility: Fits standard bowls and accessories

Airflow: Smooth, unrestricted draw

Durability Features:

9mm Thick Construction: Heavy-duty glass for maximum strength

Borosilicate Glass: Heat-resistant and resistant to thermal shock

Reinforced Build: Designed for consistent, long-term use

Stable Footprint: Helps reduce tipping and movement

Finish: Vibrant coloured glass accents

Functionality: Clean pulls, strong airflow, and dependable everyday performance