4.5" Glass Downstem - 14mm/18mm

The Specs: Interface: 18mm Male (to pipe) ? 14mm Female (to bowl). Measurement: 4.5" (Standardized: Joint-base to tip). Action: Multi-slit diffusion for maximum smoke cooling. The Industry Standard: This is the most common replacement size for beaker and straight-tube pipes. Superior Seal: Features precision-ground glass-on-glass joints, eliminating the need for unreliable rubber grommets. It provides a permanent, airtight vacuum seal that customers prefer. Durability: Engineered from high-grade borosilicate to withstand the thermal shock of frequent cleaning and heavy daily use.