Castle Glassworks

Downstem – Straight (5 in)


In search of a premium replacement downstem for your bong? Look no further than our Straight Tube Downstem! Carefully crafted to fit bongs featuring a 19mm female joint and requiring a 5-inch downstem, this accessory is the perfect enhancement for your smoking setup.

Constructed from durable Borosilicate glass, this downstem is built to withstand daily use and stand the test of time. Its sleek and straightforward design ensures it complements any bong seamlessly. What's more, its colored glass construction adds a touch of style to elevate your smoking experience.

Upgrade your bong today with our Straight Tube Downstem and relish a smoother, more enjoyable smoking session. Don't hesitate—place your order now and experience the difference firsthand!


  • Length: 5 inches / 12.5 cm
  • Joint Size: 14mm Male / 19mm Female
  • Material: Borosilicate