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- 14.5 mm (6)
- 14.5 mm > 14.5 mm (1)
- 14.5 mm > 18.8 mm (1)
- 18.8 mm (9)
- 18.8 mm > 18.8 mm (3)
- 18.8 mm > 14.5 mm (7)
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- 29.2 mm > 18.8 mm (5)
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- Fumed (4)
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- $0.00 - $5.00 (1)
- $10.00 - $25.00 (12)
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- $50.00 - $100.00 (2)
- $100.00 - $150.00 (1)
Diffusers
At Grasscity.com we offer a wide range of diffusers. We have diffusers that serve as a connector for your bong and complete downpipes (stem with bowl). Diffusers cause an air whirl and produce little bubbles that cool the smoke. A downright innovation for a smooth smokin' experience.
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List Price: $17.50
Our Price: $10.50
You save: $7.00
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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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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 - Slitted Diffuser Downstem - 18.8mm
Price: $12.88
A spare or replacement diffuser downstem from Weed Star!
- Sure ground glass-on-glass joints
- Weed Star logo in blue
- Slitted for extra bubbling and diffusion
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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
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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
