Down Pipes and Diffusors

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  1. Weed Star Slit Hole Diffuser Downstem - 29.2mm > 18.8mm

    Weed Star Slit Hole Diffuser Downstem - 29.2mm > 18.8mm

    Price: $22.69

    A spare or replacement diffuser downstem from Weed Star!
    • Quality borosilicate glass

    • Large inside-cut 29.2mm > 18.8mm joint

    • Weed Star logo in blue

    • 21 flame-polished piercings for extra bubbling and diffusion
    Learn More
  2. Weed Star - Pearl Diffuser Downstem - 14.5mm

    Weed Star - Pearl Diffuser Downstem - 14.5mm

    Price: $13.99

    A spare or replacement diffuser downstem from Weed Star!
    • Quality borosilicate glass

    • Sure ground glass-on-glass 14.5mm > 14.5mm joints

    • Weed Star logo in blue

    • Flame-polished piercings for extra bubbling and diffusion

    • Choose length when ordering
    Learn More
  3. Weed Star - Slitted Diffuser Downstem - 18.8mm

    Weed Star - Slitted Diffuser Downstem - 18.8mm

    Price: $12.99

    A spare or replacement downstem, from Weed Star!
    • Quality borosilicate glass

    • Sure ground glass-on-glass joints

    • Weed Star logo in blue

    • Slitted for extra bubbling and diffusion
    Learn More
  4. Weed Star - Circ Perc Downstem Bong Adapter - 29.2 mm > 18.8 mm

    Weed Star - Circ Perc Downstem Bong Adapter - 29.2 mm > 18.8 mm

    Price: $19.52

    A spare or replacement diffuser downstem from Weed Star!
    • Quality borosilicate glass

    • Inside-cut 29.2mm > 18.8mm joint

    • Weed Star logo in blue

    • Shower head diffusion for extra bubbling

    • Choose length when ordering
    Learn More
  5. Weed Star - 4-arm Diffuser Downstem

    Weed Star - 4-arm Diffuser Downstem

    Price: $32.50

    A spare or replacement diffuser downstem and adapter from Weed Star!
    • Quality borosilicate glass

    • Inside-cut 29.2mm > 18.8mm joint

    • Weed Star logo in blue

    • 4-arm slitted tree perc diffusion for extra bubbling



    This tree-perc downstem is extra long, so remember to check if it will fit your pipe! Learn More
  6. Weed Star - Liquid Freezer Downstem - 18.8mm > 14.5mm

    Weed Star - Liquid Freezer Downstem - 18.8mm > 14.5mm

    Price: $22.50

    Freezing cold liquid for icy cool, smooth hits!
    • Non-freezing liquid, color may vary

    • Open end downstem

    • Adapts 18.8mm bong to 14.5mm bowls and accessories

    • Choice of length: 12.5cm or 13cm



    Do not leave in the freezer for longer than 15-20 minutes as there is danger of glass breakage. Learn More
  7. Weed Star - Honeycomb 6-arm Diffuser Downstem

    Weed Star - Honeycomb 6-arm Diffuser Downstem

    Price: $19.50

    A spare or replacement honeycomb diffuser downstem from Weed Star!
    • Sure ground glass-on-glass 18.8mm > 18.8mm joints

    • Weed Star logo in blue

    • Six slitted and reinforced arms in honeycomb shape

    • Downstem length: 12.5cm
    Learn More
  8. Weed Star - Removable Dome Perc with Piercings - 18.8mm Male Joint

    Weed Star - Removable Dome Perc with Piercings - 18.8mm Male Joint

    Price: $13.23

    Interchangeable bong perc for mix and match fun!
    • Sure ground glass-on-glass male joint

    • Blue glass loop at top for easy maneuvering with metal hook

    • Fits Weed Star's Mahony and Mad Professor 2.0 (not 3.0)

    • Fits any removable perc bong with 18.8mm female joint

    Learn More
  9. Weed Star - Pearl Diffuser Downstem - 18.8mm

    Weed Star - Pearl Diffuser Downstem - 18.8mm

    Price: $13.95

    A spare or replacement diffuser downstem from Weed Star!
    • Quality borosilicate glass

    • Sure ground glass-on-glass 18.8mm > 18.8mm joints

    • Weed Star logo in blue

    • Flame-polished piercings for extra bubbling and diffusion

    • Choose length when ordering
    Learn More

9 Item(s)

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