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Specifications
18" Double Showerhead Beaker Bong - Product Specifications
Glass Thickness: 7mm walls
- Thick, durable glass that's built for regular use
- Thicker than standard glass bongs (usually 3-5mm)
- Not quite as heavy as 9mm, but still very sturdy
- Handles daily use without feeling fragile
- Borosilicate glass is heat-resistant and won't crack from temperature changes
- Good balance between durability and manageable weight
Height: 18 inches / 45.75 cm
- This is a large-sized bong
- Tall enough to cool smoke significantly through two percolators
- Perfect for serious smokers who want maximum filtration
- Impressive size that makes a statement in your collection
- Great for both solo sessions and group gatherings
Percolation System: Dual Showerhead Percolators
- Two separate showerhead percs, smoke filters through water twice
- Each showerhead has multiple slits that create dozens of bubbles
- First perc provides initial filtration and cooling
- Second perc adds another layer of smoothness
- Think of it like double-filtering your coffee - extra smooth
- Maximum filtration for the coolest, gentlest hits possible
Base Style: Beaker Shape
- Classic beaker base design holds maximum water capacity
- Wide bottom provides excellent stability, it won't tip easily
- More water = better filtration and cooling
Joint Size: 19mm Female (standard for this size)
- This is where you insert the bowl/downstem (the "female" part means it receives the piece)
- 19mm is a standard size, so replacement parts are easy to find
- Compatible with most bowls, ash catchers, and accessories
- Reinforced downstem joint for extra durability at the connection point
Tube Diameter: 50mm (standard)
- This is the width of the main cylinder (about 2 inches)
- Standard comfortable size for mouthpiece
- Wide enough to see both percolators in action
- Lets you watch the mesmerizing double-filtration process
Design Features:
- Triple-Chamber Design: Unique three-section construction keeps water separated
- Colored Glass Accents: Vibrant colored percolators, downstem, and base logo
- Heat-Bonded Logos: Castle branding won't fade or wear over time
- Ice Pinch: Built-in ice pinch lets you add ice cubes for even more cooling
- Clear Glass Body: Crystal-clear borosilicate showcases the dual percolator action
- Modern Aesthetic: Sleek design that stands out
Included Accessories:
- Colored glass downstem (matches percolator color)
- Matching colored glass bowl for dry herbs
- Ready to use right out of the box
- All pieces color-coordinated for premium appearance
Durability Enhancements:
- Reinforced Downstem Joint: Solid connection prevents breakage at common failure point
- 7mm Thick Glass: Substantial construction throughout
- Quality Borosilicate: Resistant to thermal shock and impacts
- Heat-Bonded Graphics: Won't peel, fade, or wear off
- Stable Base Design: Wide beaker prevents tipping
Functionality:
- Double Filtration: Smoke passes through water twice for maximum cooling and smoothness
- Ice Cooling Option: Add ice for a third layer of temperature control
- Beginner-Friendly: Easy to use despite advanced filtration
Water Level Guidelines:
- Fill until water is slightly above both showerhead percolators
- Each perc needs to be submerged to function properly
- Too much water causes water transfer to the next perc
- Too little water means percs won't filter effectively
Cleaning & Maintenance:
- Change water when it looks dirty or tastes off
- More complex to clean due to multiple chambers
- Regular cleaning maintains optimal airflow and flavor
Best For:
- Experienced smokers who want maximum filtration
- Anyone seeking the smoothest possible hits
- Users who appreciate watching intricate percolation
- Home use where size isn't a concern
- Serious enthusiasts who value performance over portability
- Both solo sessions and group gatherings
Why These Specs Matter: This is a high-performance filtration machine disguised as a beautiful bong. Yes, it's more complex to clean than a simple bong, but if you want the absolute smoothest smoking experience possible, this double showerhead design delivers performance that simpler pieces simply can't match!
What's in the box?
What's in the Box
Your Double Showerhead Beaker Bong:
18-inch triple-chamber bong featuring two showerhead percolators with colored glass accents and heat-bonded logos, ready to deliver exceptional filtration right out of the box.
Color-Matched Glass Bowl & Downstem:
Both pieces feature matching colors that complement the percolators for a cohesive look.
Bong Multi-tool:
A handy 3-in-1 accessory for maintenance:
- Bowl poker - clears ash and debris from the bowl
- Kief scoop - collects the fine particles from your grinder
- Tamper - packs material evenly for better airflow
Castle Sticker:
Official Castle Glassworks branding sticker to personalize your gear.
Bottom Line:
Everything you need to experience premium filtration immediately. Simply fill water slightly above both percolators, and enjoy powerful, ultra-smooth hits that impress every time.
Are You a Smoker Constantly in Search of the Perfect Hit?
This Double Showerhead Beaker Bong delivers powerful performance and eye-catching style all in one. Grab yours today and enjoy smoother hits that will impress you and your friends every time.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Maximum Function
The two Showerhead percolators do more than just filter the smoke—they also help cool it down, giving you smoother, more enjoyable hits. Meanwhile, the beaker base is carefully designed to hold the perfect amount of water, letting the smoke circulate for maximum cooling and filtration. Because of this precise design, you can count on an efficient, powerful hit every time you use it.
Free shipping and returns

Stand Out
In addition to its excellent performance, the Double Showerhead Beaker features a sleek, modern design that’s sure to stand out. Thanks to advanced heat bonding technology, the logos won’t fade or wear, keeping their fresh look even with frequent use and cleaning.
Product details
Dual Showerhead Percolators
Enjoy smoother, cooler hits thanks to two showerhead percolators that filter your smoke more effectively.
Heat-Bonded Logos
Built to last, these logos won’t fade or wear over time, even with regular use and cleaning.
Reinforced Downstem Joint
A solid joint connection ensures a long-lasting bond where the downstem meets the base, helping prevent breakage.
Integrated Ice Pinch
A built-in ice pinch lets you add ice cubes for an extra layer of cooling and filtration, delivering refreshingly smooth hits.
FAQs
Please read our FAQs page to find out more.
What does “double showerhead” mean?
It refers to having two showerhead percolators, which help filter and cool smoke more efficiently.
Can beginners use it easily?
Yes. It’s easy to learn how to use, and the extra filtration can make for a smoother experience, which is great for first-timers.
Is there a recommended maximum water level?
Generally, fill until the water is slightly above both percolators. Too much water can cause splashing, while too little can reduce filtration.
How often should I refill or change the water?
It’s best to start each session with fresh water. If you’re having extended sessions, change the water when it starts to look dirty or taste off.
Are there any recommended accessories to pair with the Double Showerhead?
Popular add-ons include ash catchers, diffused downstems, and various bowl sizes. Just ensure each accessory is compatible with your piece’s joint size.
