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- American Glass Works (1)
- Black Leaf (3)
- G-Spot Glass (4)
- GlassCity (1)
- Grav Labs (1)
- Magic Glass (6)
- Molino Glass (1)
- Pulse Glass (2)
- ROOR (1)
- SYN Glass (4)
- Weed Star Glass (5)
- Joint Size
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- 24 mm > 18.8 mm (1)
- 14.5 mm (8)
- 14.5 mm > 14.5 mm (1)
- 14.5 mm > 18.8 mm (1)
- 18.8 mm (13)
- 18.8 mm / 14.5 mm (1)
- 18.8 mm > 18.8 mm (2)
- 18.8 mm > 14.5 mm (13)
- 29.2 mm > 18.8 mm (1)
- 45 mm > 14.5 mm (1)
- color
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- Inside-Out (1)
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- Price
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- $0.00 - $5.00 (1)
- $10.00 - $25.00 (16)
- $25.00 - $50.00 (10)
- $50.00 - $100.00 (1)
- $100.00 - $150.00 (1)
Glass Downpipes
Downpipes are essential parts of the bong. Having a spare one at hand is always handy. Choose from a broad selection of glass downpipes in different sizes to suit your favourite bong. We offer downpipes with and without cones...
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Mad Scientist Adapter with Diffuser
List Price: $6.46
Our Price: $3.88
You save: $2.58
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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 -
Weed Star - Pearl Diffuser Downstem - 14.5mm
Price: $13.83
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
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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 -
Weed Star - Diffuser Downstem Bong Adapter - 18.8mm > 14.5mm
Price: $13.50
A spare or replacement diffuser downstem and adapter from Weed Star!
- Inside-cut 18.8mm > 14.5mm joint
- Weed Star logo in blue
- 21 flame-polished piercings for extra bubbling and diffusion
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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 -
GlassCity - Honeycomb 5-arm Perc Diffuser Downstem
Price: $29.95
Welded high-quality glass honeycomb 5-arm tree percolator from GlassCity!
- Features GlassCity logo
- Honeycomb 5-arm perc for extreme bubbling
- Replacement part for GlassCity's Bubblicious Bong, fits neatly into the pearl diffuser or into any 18.8 mm joint
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Price: $28.85
ROOR's non-diffuser downstem with open-ended tube for a classic snap!
- Made in Germany
- ROOR logo in white
- Choose 14.5mm or 18.8mm joint size, then choose tube length
Learn More -
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
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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
