Matrix Downstem

The Mobius Matrix Downstem is a precision-engineered glass accessory designed to upgrade standard beaker or straight-tube bongs with Mobius’s signature Matrix diffusion. Compact yet powerful, it delivers ultra-smooth hits while adding collector-level craftsmanship to any setup.

🔍 Key Features

• Length Options: Commonly available in 4"–6" sizes, measured from the outer joint to the end of the Matrix filter.

• Joint Size:

  • 19mm outer joint (male) with a 14mm inner joint (female) for slides.

  • Low-profile bushing adapter for a snug fit.

• Perc System:

  • Matrix filter with a minimum of 48 precision diffusion holes, creating micro-bubbles for smooth, even filtration.

• Design Details:

  • Clear borosilicate glass construction.

  • Sandblasted Mobius logos on the tapered joint.

  • Hologram authenticity sticker for verification