Downpipes / Diffusors / Percolators

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  1. Mad Scientist Adapter with Diffuser

    Mad Scientist Adapter with Diffuser

    List Price: $6.46

    Our Price: $5.49

    You save: $0.97

  2. Pearl Adapter 18.8
  3. Pearl Adapter 18.8 > 14.5
  4. Tripleball Adapter 18.8

    Tripleball Adapter 18.8

    Price: $36.38

    All Magic Glass orders will be produced after making the actual order. Orders with Magic Glass items have a 3 to 7 ( business) day window to dispatch. Learn More
  5. Weed Star Percolator Bowl - 18.8

    Weed Star Percolator Bowl - 18.8

    Price: $40.36

    Percolator cup for 18.8 Joint bongs

    Learn More
  6. 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
  7. 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
  8. 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
  9. Black Leaf - Doublefilter Bowl Cool B
  10. Magic Glass - Quattro 4-arm Downtube Adapter for Quattro Bong

    Magic Glass - Quattro 4-arm Downtube Adapter for Quattro Bong

    Price: $91.38

    Spare or replacement downstem for the Magic Glass Quattro bong!
    • Handmade in Germany

    • High-quality Schott Duran borosilicate glass

    • Sure-ground 45mm glass-on-glass main joint

    • 4 arms reinforced with colorful, unique glass marble

    • Large funnel bowl in matching joint size

    • Magic Glass logo

    • Choose joint size when ordering



    All Magic Glass pieces are made upon request and will be shipped within 3 to 7 business days of your order.
    Learn More
  11. Blaze Glass - Removable 5-Arm Tree Percolator 18.8mm

    Blaze Glass - Removable 5-Arm Tree Percolator 18.8mm

    Price: $25.50

    A removable 5-arm perc that changes color as you use it!
    • Reinforced

    • Color-changing silver fumed glass

    • Can be interchanged with any other 18.8mm removable perc
    Learn More
  12. Blaze Glass - Removable Single Coil Spiral Percolator 18.8mm

    Blaze Glass - Removable Single Coil Spiral Percolator 18.8mm

    Price: $18.50

    Color-changing removable spiral perc!
    • Quality borosilicate glass

    • Reinforced 18.8mm male joint

    • Color-changing silver fumed glass

    • Can be interchanged with any other 18.8mm removable perc
    Learn More
  13. Removable "Honey Comb" 7-arm Tree Percolator

    Removable "Honey Comb" 7-arm Tree Percolator

    List Price: $32.50

    Our Price: $27.63

    You save: $4.87

    Removable 7-arm Tree Percolator

    • Spare part for the Mad Scientist V3

    • Reinforced with glass between each arm


    Learn More
  14. Blaze Glass - Diffusor Adapter Downstem - 18.8mm > 14.5mm

    Blaze Glass - Diffusor Adapter Downstem - 18.8mm > 14.5mm

    Price: $20.65

    A 4x4 diffuser and adapter in one!
    • High quality borosilicate glass

    • Inside-cut glass-on-glass joint

    • Blaze Glass logo in high-gloss silver
    Learn More
  15. EHLE. Glass - Diffuser Downstem

    EHLE. Glass - Diffuser Downstem

    Price: $32.69

    Handmade glass diffuser downstem from EHLE!
    • Made in Germany

    • High grade Schott Duran borosilicate glass

    • Pinpoint precision fit

    • Choose joint size and length
    Learn More
  16. ROOR - Open-End Glass Downstem

    ROOR - Open-End Glass Downstem

    Price: $28.85

    ROOR's open-end downstem for old-school snap!
    • Made in Germany

    • High quality Schott-Duran glass

    • ROOR logo in white

    • Choose joint size and tube length

    Learn More
  17. ROOR - Glass Pearl Diffuser Downstem

    ROOR - Glass Pearl Diffuser Downstem

    Price: $50.19

    ROOR's pearl diffuser downstem for a smooth toke!
    • Made in Germany

    • High quality Schott-Duran glass

    • ROOR logo in white

    • Choose joint size and tube length

    Learn More
  18. 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
  19. 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
  20. Black Leaf - 4-Arm Diffuser Downstem

    Black Leaf - 4-Arm Diffuser Downstem

    Price: $20.00

    Four arms with slits for hard-to-beat diffusion and cooler, cleaner smoke!

    • Quality borosilicate glass

    • Fits 18.8mm joints

    • Black Leaf logo on downstem

    • Choose length: 12cm, 14cm, 16cm or 18cm
    Learn More
  21. G-Spot Glass - Diffuser Downtube

    G-Spot Glass - Diffuser Downtube

    Price: $26.66

    A diffuser downstem from G-Spot!

    • Made in Germany

    • G-Spot logo in black outline on top joint

    • Sealed and pierced end

    • Choose joint size, then length
    Learn More
  22. G-Spot Glass - Non-Diffuser Downtube

    G-Spot Glass - Non-Diffuser Downtube

    Price: $12.80

    Open end downtube from G-Spot for classic old-school snap!

    • Made in Germany

    • G-Spot logo in black

    • Choose joint size when ordering

    • 14.5mm and 14.5mm > 18.8mm sizes are 25cm length

    • 18.8mm and 18.8mm > 14.5mm sizes are 29cm length
    Learn More
  23. G-Spot Glass - Tulip Bowl Chillum Downstem for 2-part system

    G-Spot Glass - Tulip Bowl Chillum Downstem for 2-part system

    Price: $12.55

    G-Spot's open end downtube with attached tulip bowl, classic old-school snap for your 2-part system!

    • Made in Germany

    • G-Spot logo in black

    • Choose joint size when ordering

    • 14.5mm joint size has 25cm length, 22mm diameter

    • 18.8mm joint size has 29cm length, 24mm diameter
    Learn More
  24. G-Spot Glass - Pure Bowl Chillum Downstem for 2-part system

    G-Spot Glass - Pure Bowl Chillum Downstem for 2-part system

    Price: $11.32

    G-Spot's open end downtube with attached pure bowl, classic old-school snap for your 2-part system!

    • Made in Germany

    • G-Spot logo in black

    • Choose joint size when ordering

    • 14.5mm joint size has 25cm length, 30mm diameter

    • 18.8mm joint size has 29cm length, 35mm diameter
    Learn More
  25. Glass Diffuser Downstem with Bowl - Choice of 5 colors

    Glass Diffuser Downstem with Bowl - Choice of 5 colors

    Price: $137.50

    Inside out slitted diffuser downtube with worked stem and bowl!
    • Made in the USA

    • Made from high-quality borosilicate glass

    • Choose 11.5cm, 14cm or 16cm length

    • Choose color combination: aqua/black/white, black/white, green/black/white, multi-color or rasta



    All American Glass Works items are made to order and will dispatch within 3 to 7 business days. Learn More

Items 1 to 25 of 49 total

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