Glass 14/18mm Hex-Tek Stem

Premium Borosilicate Construction: Made from ultra-durable, thermal-resistant borosilicate glass for long-lasting performance and easy cleaning. SG 14 Female Socket: Standard top joint accepts any SG 14 (14.5mm) male bowl slide or adapter. Hexagonal Diffuser Grid: Features a precision grid of hexagonal perforations at the base, engineered to divide airflow into a dense matrix of micro-bubbles for maximum surface area contact and cooler, ultra-smooth pulls. Airtight Ground Joint Fit: Features a ground glass joint ensuring a secure, airtight seal against compatible silicone body grommets or glass joints. Ideal Replacement Part: Perfectly suited as an OEM replacement downstem for PieceMaker silicone water pipes and custom glass builds. Our glass stem 4.5in works with Kali, Kali Go, Kolt, Kermit, and Kirby.