Glass Diffuser Downstem 4.5″ / 5″ | Slitted Borosilicate Bong Downstem | Custom Colors Available

This glass diffuser downstem is designed to improve filtration and airflow, delivering smoother and cleaner hits. Made from durable borosilicate glass, it features multiple diffuser slits that break smoke into finer bubbles, helping reduce harshness while maintaining full flavor.

Available in 4.5 inch and 5 inch lengths, this removable downstem is compatible with both 14mm and 18mm joints, making it suitable for a wide range of glass bongs. Its simple, functional design makes it an ideal replacement part when an original downstem is broken, offering a cost-effective solution without the need to replace the entire bong.

With a clean and versatile appearance, this diffuser downstem is well suited for wholesale supply, private label programs, and OEM production. Color customization is available, including black, blue, green, pink, or custom colors upon request, allowing brands and distributors to match different product lines and market preferences.

✅ Specifications

• Length: 4.5 inches / 5 inches

• Joint Size: 14mm / 18mm

• Perc Type: Diffuser slits

• Material: Borosilicate glass

• Customization: Color customization available